Check DNS, Urls + Redirects, Certificates and Content of your Website


 

 

A

 

Top config

 

Checked:
08.02.2024 04:22:28

 

Older results

No older results found

 

1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
sski.rub.de
A
134.147.222.184
Essen/North Rhine-Westphalia/Germany (DE) - Ruhr-Universitaet Bochum
Hostname: vmits1266.vm.ruhr-uni-bochum.de
yes
1
0

AAAA
2a05:3e00:1:100a:134:147:222:184
Bochum/North Rhine-Westphalia/Germany (DE) - Ruhr-Universitaet Bochum

yes


www.sski.rub.de

Name Error
yes
1
0
*.rub.de
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes


*.sski.rub.de
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes


 

2. DNSSEC

Zone (*)DNSSEC - Informations


Zone: (root)

(root)
1 DS RR published






DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest 4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=






Status: Valid because published






2 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 20326, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 30903, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 21.02.2024, 00:00:00 +, Signature-Inception: 31.01.2024, 00:00:00 +, KeyTag 20326, Signer-Name: (root)






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 20326 used to validate the DNSKEY RRSet






Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest "4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: de

de
1 DS RR in the parent zone found






DS with Algorithm 8, KeyTag 26755, DigestType 2 and Digest 80E1eAmllUMRzLgq3hFMbB1ySnXAOVE3qjl4A1Ql540=






1 RRSIG RR to validate DS RR found






RRSIG-Owner de., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 20.02.2024, 21:00:00 +, Signature-Inception: 07.02.2024, 20:00:00 +, KeyTag 30903, Signer-Name: (root)






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 30903 used to validate the DS RRSet in the parent zone






3 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 19854, Flags 256






Public Key with Algorithm 8, KeyTag 26755, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 51303, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner de., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 21.02.2024, 18:59:55 +, Signature-Inception: 07.02.2024, 17:29:55 +, KeyTag 26755, Signer-Name: de






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 26755 used to validate the DNSKEY RRSet






Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 26755, DigestType 2 and Digest "80E1eAmllUMRzLgq3hFMbB1ySnXAOVE3qjl4A1Ql540=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: rub.de

rub.de
2 DS RR in the parent zone found






DS with Algorithm 13, KeyTag 13152, DigestType 2 and Digest a+qp+mSCwAS2WGUR9eyD606SO97DhGk7D9fNyxbWVFM=






DS with Algorithm 13, KeyTag 49919, DigestType 2 and Digest oVPIRi92OOmMqsh7rIgNkKPxujTUnRnaelo4Yp/WSx8=






1 RRSIG RR to validate DS RR found






RRSIG-Owner rub.de., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 15.02.2024, 09:22:10 +, Signature-Inception: 01.02.2024, 07:52:10 +, KeyTag 19854, Signer-Name: de






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 19854 used to validate the DS RRSet in the parent zone






3 DNSKEY RR found






Public Key with Algorithm 13, KeyTag 13152, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 13, KeyTag 28041, Flags 256






Public Key with Algorithm 13, KeyTag 49919, Flags 257 (SEP = Secure Entry Point)






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner rub.de., Algorithm: 13, 2 Labels, original TTL: 21600 sec, Signature-expiration: 02.03.2024, 23:59:59 +, Signature-Inception: 01.02.2024, 23:00:00 +, KeyTag 13152, Signer-Name: rub.de






Status: Good - Algorithmus 13 and DNSKEY with KeyTag 13152 used to validate the DNSKEY RRSet






Status: Valid Chain of trust. Parent-DS with Algorithm 13, KeyTag 13152, DigestType 2 and Digest "a+qp+mSCwAS2WGUR9eyD606SO97DhGk7D9fNyxbWVFM=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: sski.rub.de

sski.rub.de
0 DS RR in the parent zone found






DS-Query in the parent zone has a valid NSEC3 RR as result with the hashed query name "6vkmdp57aeeq4ubmfu1lubumqhqa5vtp" between the hashed NSEC3-owner "6vkmdp57aeeq4ubmfu1lubumqhqa5vtp" and the hashed NextOwner "6vktkfqi91m67g8bl2vr4th772sfigch". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: A, MX, AAAA, RRSIG Validated: RRSIG-Owner 6vkmdp57aeeq4ubmfu1lubumqhqa5vtp.rub.de., Algorithm: 13, 3 Labels, original TTL: 900 sec, Signature-expiration: 23.02.2024, 21:57:02 +, Signature-Inception: 01.02.2024, 23:04:55 +, KeyTag 28041, Signer-Name: rub.de






0 DNSKEY RR found












RRSIG Type 1 validates the A - Result: 134.147.222.184
Validated: RRSIG-Owner sski.rub.de., Algorithm: 13, 3 Labels, original TTL: 3600 sec, Signature-expiration: 08.03.2024, 02:03:11 +, Signature-Inception: 07.02.2024, 01:25:01 +, KeyTag 28041, Signer-Name: rub.de






RRSIG Type 28 validates the AAAA - Result: 2A05:3E00:0001:100A:0134:0147:0222:0184
Validated: RRSIG-Owner sski.rub.de., Algorithm: 13, 3 Labels, original TTL: 3600 sec, Signature-expiration: 08.03.2024, 02:03:11 +, Signature-Inception: 07.02.2024, 01:25:01 +, KeyTag 28041, Signer-Name: rub.de






CNAME-Query sends a valid NSEC3 RR as result with the hashed query name "6vkmdp57aeeq4ubmfu1lubumqhqa5vtp" equal the hashed NSEC3-owner "6vkmdp57aeeq4ubmfu1lubumqhqa5vtp" and the hashed NextOwner "6vktkfqi91m67g8bl2vr4th772sfigch". So the zone confirmes the not-existence of that CNAME RR, but the existence of that query name (minimal one RR with that name exists).
Bitmap: A, MX, AAAA, RRSIG Validated: RRSIG-Owner 6vkmdp57aeeq4ubmfu1lubumqhqa5vtp.rub.de., Algorithm: 13, 3 Labels, original TTL: 900 sec, Signature-expiration: 23.02.2024, 21:57:02 +, Signature-Inception: 01.02.2024, 23:04:55 +, KeyTag 28041, Signer-Name: rub.de






Status: Good. NoData-Proof required and found.






TXT-Query sends a valid NSEC3 RR as result with the hashed query name "6vkmdp57aeeq4ubmfu1lubumqhqa5vtp" equal the hashed NSEC3-owner "6vkmdp57aeeq4ubmfu1lubumqhqa5vtp" and the hashed NextOwner "6vktkfqi91m67g8bl2vr4th772sfigch". So the zone confirmes the not-existence of that TXT RR, but the existence of that query name (minimal one RR with that name exists).
Bitmap: A, MX, AAAA, RRSIG Validated: RRSIG-Owner 6vkmdp57aeeq4ubmfu1lubumqhqa5vtp.rub.de., Algorithm: 13, 3 Labels, original TTL: 900 sec, Signature-expiration: 23.02.2024, 21:57:02 +, Signature-Inception: 01.02.2024, 23:04:55 +, KeyTag 28041, Signer-Name: rub.de






Status: Good. NoData-Proof required and found.






TLSA-Query (_443._tcp.sski.rub.de) sends a valid NSEC3 RR as result with the hashed owner name "6vkmdp57aeeq4ubmfu1lubumqhqa5vtp" (unhashed: sski.rub.de). So that's the Closest Encloser of the query name.
Bitmap: A, MX, AAAA, RRSIG Validated: RRSIG-Owner 6vkmdp57aeeq4ubmfu1lubumqhqa5vtp.rub.de., Algorithm: 13, 3 Labels, original TTL: 900 sec, Signature-expiration: 23.02.2024, 21:57:02 +, Signature-Inception: 01.02.2024, 23:04:55 +, KeyTag 28041, Signer-Name: rub.de






Status: Good. NXDomain-Proof required and found.






TLSA-Query sends a valid NSEC3 RR as result and covers the hashed Next Closer Name "c1fbht6c9c40nislkesoeuq36jhhs8du" (unhashed: _tcp.sski.rub.de) with the owner "c1es9q3c0vcvgc7js8bqonkbcag0u6qj" and the NextOwner "c1hmukqnmormm181jpgleqjqg40u107l". So that NSEC3 confirms the not-existence of the Next Closer Name.
Bitmap: A, AAAA, RRSIG Validated: RRSIG-Owner c1es9q3c0vcvgc7js8bqonkbcag0u6qj.rub.de., Algorithm: 13, 3 Labels, original TTL: 900 sec, Signature-expiration: 20.02.2024, 09:22:38 +, Signature-Inception: 01.02.2024, 23:05:12 +, KeyTag 28041, Signer-Name: rub.de






Status: Good. NXDomain-Proof required and found.






TLSA-Query sends a valid NSEC3 RR as result and covers the hashed Wildcard expansion of the ClosestEncloser "9dt76of7h99n4rbpuseh5lea9605jif0" (unhashed: *.sski.rub.de) with the owner "9dt6u8ne5972qse5a2bu60jl0crgnkab" and the NextOwner "9dtg0tvg4bq0um4ehi4daq3jftkvsv27". So that NSEC3 confirms the not-existence of the Wildcard expansion.
Bitmap: AAAA, RRSIG Validated: RRSIG-Owner 9dt6u8ne5972qse5a2bu60jl0crgnkab.rub.de., Algorithm: 13, 3 Labels, original TTL: 900 sec, Signature-expiration: 25.02.2024, 03:16:24 +, Signature-Inception: 01.02.2024, 23:05:03 +, KeyTag 28041, Signer-Name: rub.de






Status: Good. NXDomain-Proof required and found.






CAA-Query sends a valid NSEC3 RR as result with the hashed query name "6vkmdp57aeeq4ubmfu1lubumqhqa5vtp" equal the hashed NSEC3-owner "6vkmdp57aeeq4ubmfu1lubumqhqa5vtp" and the hashed NextOwner "6vktkfqi91m67g8bl2vr4th772sfigch". So the zone confirmes the not-existence of that CAA RR, but the existence of that query name (minimal one RR with that name exists).
Bitmap: A, MX, AAAA, RRSIG Validated: RRSIG-Owner 6vkmdp57aeeq4ubmfu1lubumqhqa5vtp.rub.de., Algorithm: 13, 3 Labels, original TTL: 900 sec, Signature-expiration: 23.02.2024, 21:57:02 +, Signature-Inception: 01.02.2024, 23:04:55 +, KeyTag 28041, Signer-Name: rub.de






Status: Good. NoData-Proof required and found.



Zone: www.sski.rub.de

www.sski.rub.de
0 DS RR in the parent zone found






DS-Query in the parent zone has a valid NSEC3 RR as result with the hashed query name "809kb7fu7s6od1j7crgnk49cq6pfkmkv" between the hashed NSEC3-owner "809feti3k9t6mgl3figijt530o5c2dd2" and the hashed NextOwner "80aif47f994hu9et8du7q2q4b265bi7s". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: AAAA, RRSIG Validated: RRSIG-Owner 809feti3k9t6mgl3figijt530o5c2dd2.rub.de., Algorithm: 13, 3 Labels, original TTL: 900 sec, Signature-expiration: 25.02.2024, 08:44:46 +, Signature-Inception: 01.02.2024, 23:05:00 +, KeyTag 28041, Signer-Name: rub.de






DS-Query in the parent zone sends valid NSEC3 RR with the Hash "6vkmdp57aeeq4ubmfu1lubumqhqa5vtp" as Owner. That's the Hash of "sski.rub.de" with the NextHashedOwnerName "6vktkfqi91m67g8bl2vr4th772sfigch". So that domain name is the Closest Encloser of "www.sski.rub.de". Opt-Out: True.
Bitmap: A, MX, AAAA, RRSIG Validated: RRSIG-Owner 6vkmdp57aeeq4ubmfu1lubumqhqa5vtp.rub.de., Algorithm: 13, 3 Labels, original TTL: 900 sec, Signature-expiration: 23.02.2024, 21:57:02 +, Signature-Inception: 01.02.2024, 23:04:55 +, KeyTag 28041, Signer-Name: rub.de






The ClosestEncloser says, that "*.sski.rub.de" with the Hash "9dt76of7h99n4rbpuseh5lea9605jif0" is a possible Wildcard of the DS Query Name. But the DS-Query in the parent zone sends a valid NSEC3 RR With the owner "9dt6u8ne5972qse5a2bu60jl0crgnkab" and the Next Owner "9dtg0tvg4bq0um4ehi4daq3jftkvsv27", so the Hash of the wildcard is between these hashes. So that NSEC3 proves the Not-existence of that wildcard expansion. Opt-Out: True
Bitmap: AAAA, RRSIG Validated: RRSIG-Owner 9dt6u8ne5972qse5a2bu60jl0crgnkab.rub.de., Algorithm: 13, 3 Labels, original TTL: 900 sec, Signature-expiration: 25.02.2024, 03:16:24 +, Signature-Inception: 01.02.2024, 23:05:03 +, KeyTag 28041, Signer-Name: rub.de

 

3. Name Servers

DomainNameserverNS-IP
www.sski.rub.de
  dns1.ruhr-uni-bochum.de

sski.rub.de
  dns1.ruhr-uni-bochum.de
134.147.231.10
Bochum/North Rhine-Westphalia/Germany (DE) - Ruhr-Universitaet Bochum


 
2a05:3e00:1:1007::231:10
Bochum/North Rhine-Westphalia/Germany (DE) - Ruhr-Universitaet Bochum

rub.de
  dns1.ruhr-uni-bochum.de
134.147.231.10
Bochum/North Rhine-Westphalia/Germany (DE) - Ruhr-Universitaet Bochum


 
2a05:3e00:1:1007::231:10
Bochum/North Rhine-Westphalia/Germany (DE) - Ruhr-Universitaet Bochum


  dns2.ruhr-uni-bochum.de
134.147.220.178
Essen/North Rhine-Westphalia/Germany (DE) - Ruhr-Universitaet Bochum


 
2a05:3e00:9:1002::220:178
Bochum/North Rhine-Westphalia/Germany (DE) - Ruhr-Universitaet Bochum


  sdns01.de.tmr.net

de
  a.nic.de / ns-2.de.nl1


  f.nic.de / ns-1.de.de1


  l.de.net / ns-2.de.fr1


  n.de.net / s3.amx


  s.de.net / ns-2.de.de9


  z.nic.de / ns-1.de.de2.bind

 

4. SOA-Entries


Domain:de
Zone-Name:de
Primary:f.nic.de
Mail:dns-operations.denic.de
Serial:1707362450
Refresh:7200
Retry:7200
Expire:3600000
TTL:7200
num Entries:6


Domain:rub.de
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


Domain:rub.de
Zone-Name:rub.de
Primary:dns1.ruhr-uni-bochum.de
Mail:hostmaster.ruhr-uni-bochum.de
Serial:2023047921
Refresh:1800
Retry:450
Expire:604800
TTL:900
num Entries:4


Domain:sski.rub.de
Zone-Name:rub.de
Primary:dns1.ruhr-uni-bochum.de
Mail:hostmaster.ruhr-uni-bochum.de
Serial:2023047921
Refresh:1800
Retry:450
Expire:604800
TTL:900
num Entries:2


Domain:www.sski.rub.de
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


5. Screenshots

Startaddress: https://sski.ruhr-uni-bochum.de/, address used: https://sski.ruhr-uni-bochum.de/, Screenshot created 2024-02-08 04:31:35 +00:0

 

Mobil (412px x 732px)

 

2767 milliseconds

 

Screenshot mobile - https://sski.ruhr-uni-bochum.de/
Mobil + Landscape (732px x 412px)

 

2328 milliseconds

 

Screenshot mobile landscape - https://sski.ruhr-uni-bochum.de/
Screen (1280px x 1680px)

 

3193 milliseconds

 

Screenshot Desktop - https://sski.ruhr-uni-bochum.de/

 

Mobile- and other Chrome-Checks


widthheight
visual Viewport396732
content Size3965502

 

Good: No horizontal scrollbar. Content-size width = visual Viewport width.

 

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://sski.rub.de/
134.147.222.184
301
https://sski.rub.de/
Html is minified: 100.00 %
0.060
A
Date: Thu, 08 Feb 2024 03:25:19 GMT
Server: Apache
Location: https://sski.rub.de/
Connection: close
Content-Length: 289
Content-Type: text/html; charset=iso-8859-1

• http://sski.rub.de/
2a05:3e00:1:100a:134:147:222:184
301
https://sski.rub.de/
Html is minified: 100.00 %
0.060
A
Date: Thu, 08 Feb 2024 03:25:19 GMT
Server: Apache
Location: https://sski.rub.de/
Connection: close
Content-Length: 289
Content-Type: text/html; charset=iso-8859-1

• https://sski.rub.de/
134.147.222.184
301
https://sski.ruhr-uni-bochum.de/
Html is minified: 100.00 %
2.620
A
Date: Thu, 08 Feb 2024 03:25:20 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000
Location: https://sski.ruhr-uni-bochum.de/
Connection: close
Content-Length: 302
Content-Type: text/html; charset=iso-8859-1

• https://sski.rub.de/
2a05:3e00:1:100a:134:147:222:184
301
https://sski.ruhr-uni-bochum.de/
Html is minified: 100.00 %
2.380
A
Date: Thu, 08 Feb 2024 03:25:32 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000
Location: https://sski.ruhr-uni-bochum.de/
Connection: close
Content-Length: 302
Content-Type: text/html; charset=iso-8859-1

• https://sski.ruhr-uni-bochum.de/

Inline-JavaScript (∑/total): 25/6725 Inline-CSS (∑/total): 7/13013
200

Html is minified: 199.72 %
Other inline scripts (∑/total): 9/6725
5.387
A
Date: Thu, 08 Feb 2024 03:26:02 GMT
Server: Apache
Link: <https://sski.ruhr-uni-bochum.de/wp-json/>; rel="https://api.w.org/", <https://sski.ruhr-uni-bochum.de/wp-json/wp/v2/pages/31>; rel="alternate"; type="application/json", <https://sski.ruhr-uni-bochum.de/>; rel=shortlink
Strict-Transport-Security: max-age=63072000
Vary: Accept-Encoding
Upgrade: h2
Connection: Upgrade, close
Cache-Control: max-age=3600
X-Content-Type-Options: nosniff
X-Frame-Options: sameorigin
Content-Security-Policy: default-src https: 'unsafe-eval' 'unsafe-inline'; font-src 'self' data: https://news.rub.de https://www.ruhr-uni-bochum.de https://netdna.bootstrapcdn.com https://fonts.gstatic.com; img-src 'self' data: https://news.rub.de https://secure.gravatar.com https://www.innoweit.eu; object-src 'none'; frame-ancestors 'self'; worker-src blob:; base-uri 'self'; form-action 'self';
Referrer-Policy: no-referrer-when-downgrade
Expires: Thu, 08 Feb 2024 04:26:02 GMT
Content-Encoding: gzip
Content-Length: 11076
Content-Type: text/html; charset=UTF-8

• http://sski.rub.de/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
134.147.222.184
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 100.00 %
Other inline scripts (∑/total): 0/0
0.057
A
Not Found
Visible Content: Not Found The requested URL was not found on this server. Apache Server at sski.rub.de Port 80
Date: Thu, 08 Feb 2024 03:25:40 GMT
Server: Apache
Connection: close
Content-Length: 257
Content-Type: text/html; charset=iso-8859-1

• http://sski.rub.de/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
2a05:3e00:1:100a:134:147:222:184
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 100.00 %
Other inline scripts (∑/total): 0/0
0.064
A
Not Found
Visible Content: Not Found The requested URL was not found on this server. Apache Server at sski.rub.de Port 80
Date: Thu, 08 Feb 2024 03:25:41 GMT
Server: Apache
Connection: close
Content-Length: 257
Content-Type: text/html; charset=iso-8859-1

• https://134.147.222.184/
134.147.222.184
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
403

Html is minified: 100.00 %
Other inline scripts (∑/total): 0/0
2.443
N
Forbidden
Certificate error: RemoteCertificateNameMismatch
small visible content (num chars: 233)
Forbidden You don't have permission to access this resource.Reason: The client software did not provide a hostname using Server Name Indication (SNI), which is required to access this server. Apache Server at 134.147.222.184 Port 443
Date: Thu, 08 Feb 2024 03:25:41 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000
Connection: close
Content-Length: 403
Content-Type: text/html; charset=iso-8859-1

• https://[2a05:3e00:0001:100a:0134:0147:0222:0184]/
2a05:3e00:1:100a:134:147:222:184
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
403

Html is minified: 100.00 %
Other inline scripts (∑/total): 0/0
2.680
N
Forbidden
Certificate error: RemoteCertificateNameMismatch
small visible content (num chars: 250)
Forbidden You don't have permission to access this resource.Reason: The client software did not provide a hostname using Server Name Indication (SNI), which is required to access this server. Apache Server at 2a05:3e00:1:100a:134:147:222:184 Port 443
Date: Thu, 08 Feb 2024 03:25:51 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000
Connection: close
Content-Length: 420
Content-Type: text/html; charset=iso-8859-1

 

7. Comments


1. General Results, most used to calculate the result

Aname "sski.rub.de" is subdomain, public suffix is ".de", top-level-domain is ".de", top-level-domain-type is "country-code", Country is Germany, tld-manager is "DENIC eG", num .de-domains preloaded: 9496 (complete: 239099)
AGood: All ip addresses are public addresses
AGood: Minimal 2 ip addresses per domain name found: sski.rub.de has 2 different ip addresses (authoritative).
AGood: Ipv4 and Ipv6 addresses per domain name found: sski.rub.de has 1 ipv4, 1 ipv6 addresses
AGood: No asked Authoritative Name Server had a timeout
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
Ahttps://sski.rub.de/ 134.147.222.184
301
https://sski.ruhr-uni-bochum.de/
Correct redirect https to https
Ahttps://sski.rub.de/ 2a05:3e00:1:100a:134:147:222:184
301
https://sski.ruhr-uni-bochum.de/
Correct redirect https to https
AGood: destination is https
AGood - only one version with Http-Status 200
AGood: one preferred version: non-www is preferred
AGood: No cookie sent via http.
AGood: every https has a Strict Transport Security Header
AGood: HSTS max-age is long enough, 63072000 seconds = 730 days
HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
AGood: All urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset)
Ahttp://sski.rub.de/ 134.147.222.184
301
https://sski.rub.de/
Correct redirect http - https with the same domain name
Ahttp://sski.rub.de/ 2a05:3e00:1:100a:134:147:222:184
301
https://sski.rub.de/
Correct redirect http - https with the same domain name
Mhttps://134.147.222.184/ 134.147.222.184
403

Misconfiguration - main pages should never send http status 400 - 499
Mhttps://[2a05:3e00:0001:100a:0134:0147:0222:0184]/ 2a05:3e00:1:100a:134:147:222:184
403

Misconfiguration - main pages should never send http status 400 - 499
Nhttps://134.147.222.184/ 134.147.222.184
403

Error - Certificate isn't trusted, RemoteCertificateNameMismatch
Nhttps://[2a05:3e00:0001:100a:0134:0147:0222:0184]/ 2a05:3e00:1:100a:134:147:222:184
403

Error - Certificate isn't trusted, RemoteCertificateNameMismatch
AGood: More then one ip address per domain name found, checking all ip addresses the same http status and the same certificate found: Domain sski.rub.de, 2 ip addresses.
Info: Checking all ip addresses of that domain without sending the hostname only one certificate found. Checking all ip addresses and sending the hostname only one certificate found. Both certificates are the same. So that domain doesn't require Server Name Indication (SNI), it's the primary certificate of that set of ip addresses.: Domain sski.rub.de, 2 ip addresses, 1 different http results.
BNo _mta-sts TXT record found (mta-sts: Mail Transfer Agent Strict Transport Security - see RFC 8461). Read the result of server-daten.de (Url-Checks, Comments, Connections and DomainServiceRecords) to see a complete definition. Domainname: _mta-sts.sski.rub.de

2. Header-Checks

Asski.ruhr-uni-bochum.de
Content-Security-Policy
Ok: Header without syntax errors found: default-src https: 'unsafe-eval' 'unsafe-inline'; font-src 'self' data: https://news.rub.de https://www.ruhr-uni-bochum.de https://netdna.bootstrapcdn.com https://fonts.gstatic.com; img-src 'self' data: https://news.rub.de https://secure.gravatar.com https://www.innoweit.eu; object-src 'none'; frame-ancestors 'self'; worker-src blob:; base-uri 'self'; form-action 'self';
F

Bad: default-src with "*" or a scheme found. That allows too much, don't use such a definition.
F

Bad: default-src with 'unsafe-inline' or 'unsave-eval'. That's dangerous, don't use it.
A

Good: form-action directive found. That reduces the risk sending data to unwanted domains. form-action is a navigation-directive, so default-src isn't used.
A

Good: frame-ancestors directive found. That limits pages who are allowed to use this page in a frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used.
A

Good: base-uri directive found. That limits the URLs which can be used in a document's <base> element. Because it's a document directive, default-src isn't used, so an own directive is required.
A

Good: object-src only with 'none' or 'self' found, no scheme, no other urls. That blocks object / embed / applet - elements.
E

Critical: No script-src defined, the default-src used as fallback allows too much. script-src should always restricted.
A

Good: frame-src without data: defined or frame-src missing and the default-src used as fallback not allows the data: schema. That blocks hidden code injection. Insert <iframe src="data:text/html;charset=utf-8;base64,PCFET0NUWVBFIGh0bWw+PGh0bWw+PGJvZHk+PHA+YmVmb3JlPHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiPmFsZXJ0KCdYU1MnKTwvc2NyaXB0PjxwPmFmdGVyPC9ib2R5PjwvaHRtbD4="></iframe> in your page and see what happens.
A
X-Content-Type-Options
Ok: Header without syntax errors found: nosniff
A
Referrer-Policy
Ok: Header without syntax errors found: no-referrer-when-downgrade
A
X-Frame-Options
Ok: Header without syntax errors found: sameorigin
B

Info: Header is deprecated. May not longer work in modern browsers. sameorigin. Better solution: Use a Content-Security-Policy Header with a frame-ancestors directive. DENY - use 'none', SAMEORIGIN - use 'self'. If you want to allow some domains to frame your page, add these urls.
Fsski.ruhr-uni-bochum.de
Permissions-Policy
Critical: Missing Header:

3. DNS- and NameServer - Checks

AInfo:: 5 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 2 Name Servers.
AInfo:: 5 Queries complete, 5 with IPv6, 0 with IPv4.
AGood: All DNS Queries done via IPv6.
AGood: Some ip addresses of name servers found with the minimum of two DNS Queries. One to find the TLD-Zone, one to ask the TLD-Zone.dns1.ruhr-uni-bochum.de (134.147.231.10, 2a05:3e00:1:1007::231:10), dns2.ruhr-uni-bochum.de (134.147.220.178, 2a05:3e00:9:1002::220:178)
AGood (1 - 3.0):: An average of 2.5 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 3 different Name Servers found: dns1.ruhr-uni-bochum.de, dns2.ruhr-uni-bochum.de, sdns01.de.tmr.net, 3 Name Servers included in Delegation: dns1.ruhr-uni-bochum.de, dns2.ruhr-uni-bochum.de, sdns01.de.tmr.net, 3 Name Servers included in 2 Zone definitions: dns1.ruhr-uni-bochum.de, dns2.ruhr-uni-bochum.de, sdns01.de.tmr.net, 1 Name Servers listed in SOA.Primary: dns1.ruhr-uni-bochum.de.
AGood: Only one SOA.Primary Name Server found.: dns1.ruhr-uni-bochum.de.
AGood: SOA.Primary Name Server included in the delegation set.: dns1.ruhr-uni-bochum.de.
AGood: Consistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Ordered list of name servers: dns1.ruhr-uni-bochum.de, dns2.ruhr-uni-bochum.de, sdns01.de.tmr.net
AGood: All Name Server Domain Names have a Public Suffix.
Error: Name Server Domain Names with Public Suffix and without ip address found.: 1 Name Servers without ipv4 and ipv6: 1

AGood: Minimal 2 different name servers (public suffix and public ip address) found: 2 different Name Servers found
AGood: All name servers have ipv4- and ipv6-addresses.: 2 different Name Servers found
Warning: All Name Servers have the same Top Level Domain / Public Suffix. If there is a problem with that Top Level Domain, your domain may be affected. Better: Use Name Servers with different top level domains.: 2 Name Servers, 1 Top Level Domain: de
AGood: Name Servers with different domain names found.: 2 different Domains found
Warning: All Name Servers from the same Country / IP location.: 2 Name Servers, 1 Countries: DE
AInfo: Ipv4-Subnet-list: 2 Name Servers, 1 different subnets (first Byte): 134., 1 different subnets (first two Bytes): 134.147., 2 different subnets (first three Bytes): 134.147.220., 134.147.231.
AGood: Name Server IPv4-addresses from different subnet found:
AInfo: IPv6-Subnet-list: 2 Name Servers with IPv6, 1 different subnets (first block): 2a05:, 1 different subnets (first two blocks): 2a05:3e00:, 2 different subnets (first three blocks): 2a05:3e00:0001:, 2a05:3e00:0009:, 2 different subnets (first four blocks): 2a05:3e00:0001:1007:, 2a05:3e00:0009:1002:
AGood: Name Server IPv6 addresses from different subnets found.
AGood: Nameserver supports TCP connections: 2 good Nameserver
AGood: Nameserver supports Echo Capitalization: 2 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 2 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 2 good Nameserver
Nameserver doesn't pass all EDNS-Checks: dns1.ruhr-uni-bochum.de: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: sdns01.de.tmr.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
AGood: All SOA have the same Serial Number
AGood: CAA entries found, creating certificate is limited: letsencrypt.org is allowed to create certificates
AGood: CAA entries found, creating certificate is limited: pki.dfn.de is allowed to create certificates
AGood: CAA entries found, creating certificate is limited: sectigo.com is allowed to create certificates
AGood: CAA entries found, creating certificate is limited: telesec.de is allowed to create certificates
AGood: CAA entries found, creating certificate is limited: no CAA is allowed to create wildcard certificates

4. Content- and Performance-critical Checks

AGood: All checks /.well-known/acme-challenge/random-filename without redirects answer with the expected http status 404 - Not Found. Creating a Letsencrypt certificate via http-01 challenge should work. If it doesn't work: Check your vHost configuration (apachectl -S, httpd -S, nginx -T). Every combination of port and ServerName / ServerAlias (Apache) or Server (Nginx) must be unique. Merge duplicated entries in one vHost. If you use an IIS, extensionless files must be allowed in the /.well-known/acme-challenge subdirectory. Create a web.config in that directory. Content: <configuration><system.webServer><staticContent><mimeMap fileExtension="." mimeType="text/plain" /></staticContent></system.webServer></configuration>. If you have a redirect http ⇒ https, that's ok, Letsencrypt follows such redirects to port 80 / 443 (same or other server). There must be a certificate. But the certificate may be expired, self signed or with a not matching domain name. Checking the validation file Letsencrypt ignores such certificate errors. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
AGood: Every https result with status 200 and greater 1024 Bytes is compressed (gzip, deflate, br checked).
https://sski.ruhr-uni-bochum.de/
200

Warning: Https + http status 200 + Inline CSS / JavaScript found. Don't use inline CSS / JavaScript. These are compiled and re-used ressources, save these with a long Cache-Control max-age - header.
https://sski.ruhr-uni-bochum.de/
200

Warning: Https result with status 200 found, Html-Content is too big. Should be max. 110 %. May contain inline CSS / JavaScript, too much comments or white space. Re-used ressources - create files with a long Cache-Control max-age header. Remove comments and white space.
AGood: Every https connection via port 443 supports the http/2 protocol via ALPN.
AGood: Some script Elements (type text/javascript) with a src-Attribute have a defer / async - Attribute. So loading and executing these JavaScripts doesn't block parsing and rendering the Html-Output.
https://sski.ruhr-uni-bochum.de/
200

Critical: Some script Elements (type text/javascript) with a src-Attribute don't have a defer / async - Attribute. Loading and executing these JavaScripts blocks parsing and rendering the Html-Output. That's bad if your site is large or the connection is slow / mobile usage. Use "async" if the js file has only functions (so nothing is executed after parsing the file) or is independend. Use "defer" if the order of the scripts is important. All "defer" scripts are executed before the DOMContentLoaded event is fired. Check https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script to see some details.: 16 script elements without defer/async.
AGood: All CSS / JavaScript files are sent compressed (gzip, deflate, br checked). That reduces the content of the files. 27 external CSS / JavaScript files found
AGood: All CSS / JavaScript files are sent with a long Cache-Control header (minimum 7 days). So the browser can re-use these files, no download is required. 27 external CSS / JavaScript files with long Cache-Control max-age found
Warning: Images with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 16 image files without Cache-Control-Header, 0 with Cache-Control, but no max-age, 0 with Cache-Control max-age too short (minimum 7 days), 0 with Cache-Control long enough, 16 complete.
AGood: All checked attribute values are enclosed in quotation marks (" or ').
AGood: Some img-elements have a valid alt-attribute.: 16 img-elements found, 3 img-elements with correct alt-attributes (defined, not an empty value).
Wrong: img-elements without alt-attribute or empty alt-attribute found. The alt-attribute ("alternative") is required and should describe the img. So Screenreader and search engines are able to use these informations.: 13 img-elements without alt-attribute, 0 img-elements with empty alt-attribute found.
AGood: Domainname is not on the "Specially Designated Nationals And Blocked Persons List" (SDN). That's an US-list of individuals and companies owned or controlled by, or acting for or on behalf of, targeted countries. It also lists individuals, groups, and entities, such as terrorists and narcotics traffickers designated under programs that are not country-specific. Collectively, such individuals and companies are called "Specially Designated Nationals" or "SDNs." Their assets are blocked and U.S. persons are generally prohibited from dealing with them. So if a domain name is on that list, it's impossible to create a Letsencrypt certificate with that domain name. Check the list manual - https://www.treasury.gov/resource-center/sanctions/sdn-list/pages/default.aspx
ADuration: 569200 milliseconds, 569.200 seconds

 

8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
sski.rub.de
134.147.222.184
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
sski.rub.de
134.147.222.184
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
http/2 via ALPN supported 
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - too much certificates, don't send root certificates

1CN=wordpress.sski.ruhr-uni-bochum.de


2CN=R3, O=Let's Encrypt, C=US


3CN=ISRG Root X1, O=Internet Security Research Group, C=US


sski.rub.de
2a05:3e00:1:100a:134:147:222:184
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok

sski.rub.de
2a05:3e00:1:100a:134:147:222:184
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
http/2 via ALPN supported 
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - too much certificates, don't send root certificates

1CN=wordpress.sski.ruhr-uni-bochum.de


2CN=R3, O=Let's Encrypt, C=US


3CN=ISRG Root X1, O=Internet Security Research Group, C=US


sski.ruhr-uni-bochum.de
sski.ruhr-uni-bochum.de
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok

sski.ruhr-uni-bochum.de
sski.ruhr-uni-bochum.de
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
http/2 via ALPN supported 
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - too much certificates, don't send root certificates

1CN=wordpress.sski.ruhr-uni-bochum.de


2CN=R3, O=Let's Encrypt, C=US


3CN=ISRG Root X1, O=Internet Security Research Group, C=US


134.147.222.184
134.147.222.184
443
name does not match
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok

134.147.222.184
134.147.222.184
443
name does not match
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
http/2 via ALPN supported 
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - too much certificates, don't send root certificates

1CN=wordpress.sski.ruhr-uni-bochum.de


2CN=R3, O=Let's Encrypt, C=US


3CN=ISRG Root X1, O=Internet Security Research Group, C=US


[2a05:3e00:0001:100a:0134:0147:0222:0184]
2a05:3e00:1:100a:134:147:222:184
443
name does not match
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok

[2a05:3e00:0001:100a:0134:0147:0222:0184]
2a05:3e00:1:100a:134:147:222:184
443
name does not match
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
http/2 via ALPN supported 
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - too much certificates, don't send root certificates

1CN=wordpress.sski.ruhr-uni-bochum.de


2CN=R3, O=Let's Encrypt, C=US


3CN=ISRG Root X1, O=Internet Security Research Group, C=US

 

9. Certificates

1.
1.
CN=wordpress.sski.ruhr-uni-bochum.de
27.12.2023
26.03.2024
324 days expired
descpos.iaw.rub.de, descpos.iaw.ruhr-uni-bochum.de, dsb.rub.de, dsb.ruhr-uni-bochum.de, sski.rub.de, sski.ruhr-uni-bochum.de, wordpress.iaw.rub.de, wordpress.iaw.ruhr-uni-bochum.de, wordpress.sski.rub.de, wordpress.sski.ruhr-uni-bochum.de, www.dsb.rub.de, www.dsb.ruhr-uni-bochum.de, www.imtm-iaw.rub.de, www.imtm-iaw.ruhr-uni-bochum.de - 14 entries
1.
1.
CN=wordpress.sski.ruhr-uni-bochum.de
27.12.2023

26.03.2024
324 days expired


descpos.iaw.rub.de, descpos.iaw.ruhr-uni-bochum.de, dsb.rub.de, dsb.ruhr-uni-bochum.de, sski.rub.de, sski.ruhr-uni-bochum.de, wordpress.iaw.rub.de, wordpress.iaw.ruhr-uni-bochum.de, wordpress.sski.rub.de, wordpress.sski.ruhr-uni-bochum.de, www.dsb.rub.de, www.dsb.ruhr-uni-bochum.de, www.imtm-iaw.rub.de, www.imtm-iaw.ruhr-uni-bochum.de - 14 entries

KeyalgorithmEC Public Key (256 bit, prime256v1)
Signatur:SHA256 With RSA-Encryption
Serial Number:03CBF741783FBA990C4870D33A07D5732449
Thumbprint:9DA45514EAAD61F199985D7B9EC97BD95EC348DC
SHA256 / Certificate:47KcuOARHUFT42V0Ma75BiJzkjbLObMwI7j5rK88bqg=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):42e3b341c296168098db17bba2814e1eb31b2f1ae308edba44b3a092ce995dc1
SHA256 hex / Subject Public Key Information (SPKI):42e3b341c296168098db17bba2814e1eb31b2f1ae308edba44b3a092ce995dc1 (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:http://r3.o.lencr.org
OCSP - must staple:no
Certificate Transparency:yes
Enhanced Key Usage:Serverauthentifizierung (1.3.6.1.5.5.7.3.1), Clientauthentifizierung (1.3.6.1.5.5.7.3.2)




2.
CN=R3, O=Let's Encrypt, C=US
04.09.2020
15.09.2025
expires in 214 days


2.
CN=R3, O=Let's Encrypt, C=US
04.09.2020

15.09.2025
expires in 214 days




KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:00912B084ACF0C18A753F6D62E25A75F5A
Thumbprint:A053375BFE84E8B748782C7CEE15827A6AF5A405
SHA256 / Certificate:Z63RFmsCCuYbj1/JaBPATCqliZYHloZVcqPH5zdhPf0=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SHA256 hex / Subject Public Key Information (SPKI):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:Clientauthentifizierung (1.3.6.1.5.5.7.3.2), Serverauthentifizierung (1.3.6.1.5.5.7.3.1)




3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015
04.06.2035
expires in 3763 days


3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015

04.06.2035
expires in 3763 days




KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:008210CFB0D240E3594463E0BB63828B00
Thumbprint:CABD2A79A1076A31F21D253635CB039D4329A5E8
SHA256 / Certificate:lrzsBiZJdvN0YHeazyjFp8/oo8Cq4RqP/O4FwL3fCMY=
SHA256 hex / Cert (DANE * 0 1):96bcec06264976f37460779acf28c5a7cfe8a3c0aae11a8ffcee05c0bddf08c6
SHA256 hex / PublicKey (DANE * 1 1):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
SHA256 hex / Subject Public Key Information (SPKI):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:




 

10. Last Certificates - Certificate Transparency Log Check

1. Source CertSpotter - active certificates (one check per day)

Issuerlast 7 daysactivenum Certs
CN=R3, O=Let's Encrypt, C=US
0
0
1

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
6449041098
leaf cert
CN=R3, O=Let's Encrypt, C=US
2023-12-27 15:40:20
2024-03-26 15:40:19
descpos.iaw.rub.de, descpos.iaw.ruhr-uni-bochum.de, dsb.rub.de, dsb.ruhr-uni-bochum.de, sski.rub.de, sski.ruhr-uni-bochum.de, wordpress.iaw.rub.de, wordpress.iaw.ruhr-uni-bochum.de, wordpress.sski.rub.de, wordpress.sski.ruhr-uni-bochum.de, www.dsb.rub.de, www.dsb.ruhr-uni-bochum.de, www.imtm-iaw.rub.de, www.imtm-iaw.ruhr-uni-bochum.de - 14 entries


 

2. Source crt.sh - old and new certificates, sometimes very slow - only certificates with "not after" > of the last months are listed

Issuerlast 7 daysactivenum Certs
CN=R3, O=Let's Encrypt, C=US
0 /0 new
0
7

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
11601785633
leaf cert
CN=R3, O=Let's Encrypt, C=US
2023-12-27 14:40:20
2024-03-26 14:40:19
descpos.iaw.rub.de, descpos.iaw.ruhr-uni-bochum.de, dsb.rub.de, dsb.ruhr-uni-bochum.de, sski.rub.de, sski.ruhr-uni-bochum.de, wordpress.iaw.rub.de, wordpress.iaw.ruhr-uni-bochum.de, wordpress.sski.rub.de, wordpress.sski.ruhr-uni-bochum.de, www.dsb.rub.de, www.dsb.ruhr-uni-bochum.de, www.imtm-iaw.rub.de, www.imtm-iaw.ruhr-uni-bochum.de
14 entries


10918838897
leaf cert
CN=R3, O=Let's Encrypt, C=US
2023-10-27 20:57:40
2024-01-25 21:57:39
descpos.iaw.rub.de, descpos.iaw.ruhr-uni-bochum.de, dsb.rub.de, dsb.ruhr-uni-bochum.de, sski.rub.de, sski.ruhr-uni-bochum.de, wordpress.iaw.rub.de, wordpress.iaw.ruhr-uni-bochum.de, wordpress.sski.rub.de, wordpress.sski.ruhr-uni-bochum.de, www.dsb.rub.de, www.dsb.ruhr-uni-bochum.de, www.imtm-iaw.rub.de, www.imtm-iaw.ruhr-uni-bochum.de
14 entries


10429801547
leaf cert
CN=R3, O=Let's Encrypt, C=US
2023-08-28 07:37:43
2023-11-26 08:37:42
descpos.iaw.rub.de, descpos.iaw.ruhr-uni-bochum.de, dsb.rub.de, dsb.ruhr-uni-bochum.de, sski.rub.de, sski.ruhr-uni-bochum.de, wordpress.iaw.rub.de, wordpress.iaw.ruhr-uni-bochum.de, wordpress.sski.rub.de, wordpress.sski.ruhr-uni-bochum.de, www.dsb.rub.de, www.dsb.ruhr-uni-bochum.de, www.imtm-iaw.rub.de, www.imtm-iaw.ruhr-uni-bochum.de
14 entries


10338440652
precert
CN=R3, O=Let's Encrypt, C=US
2023-08-21 12:49:47
2023-11-19 13:49:46
descpos.iaw.rub.de, descpos.iaw.ruhr-uni-bochum.de, dsb.rub.de, dsb.ruhr-uni-bochum.de, sski.iaw.rub.de, sski.iaw.ruhr-uni-bochum.de, sski.rub.de, sski.ruhr-uni-bochum.de, wordpress.iaw.rub.de, wordpress.iaw.ruhr-uni-bochum.de, wordpress.sski.rub.de, wordpress.sski.ruhr-uni-bochum.de, www.dsb.rub.de, www.dsb.ruhr-uni-bochum.de, www.imtm-iaw.rub.de, www.imtm-iaw.ruhr-uni-bochum.de, www.sski.rub.de, www.sski.ruhr-uni-bochum.de
18 entries


10239224678
precert
CN=R3, O=Let's Encrypt, C=US
2023-08-21 11:44:24
2023-11-19 12:44:23
descpos.iaw.rub.de, descpos.iaw.ruhr-uni-bochum.de, dsb.rub.de, dsb.ruhr-uni-bochum.de, sski.iaw.rub.de, sski.iaw.ruhr-uni-bochum.de, sski.rub.de, sski.ruhr-uni-bochum.de, wordpress.sski.rub.de, wordpress.sski.ruhr-uni-bochum.de, www.dsb.rub.de, www.dsb.ruhr-uni-bochum.de, www.imtm-iaw.rub.de, www.imtm-iaw.ruhr-uni-bochum.de, www.sski.rub.de, www.sski.ruhr-uni-bochum.de
16 entries


10362839425
leaf cert
CN=R3, O=Let's Encrypt, C=US
2023-08-21 11:39:31
2023-11-19 12:39:30
descpos.iaw.rub.de, descpos.iaw.ruhr-uni-bochum.de, dsb.rub.de, dsb.ruhr-uni-bochum.de, sski.iaw.rub.de, sski.iaw.ruhr-uni-bochum.de, sski.rub.de, sski.ruhr-uni-bochum.de, www.dsb.rub.de, www.dsb.ruhr-uni-bochum.de, www.imtm-iaw.rub.de, www.imtm-iaw.ruhr-uni-bochum.de, www.sski.rub.de, www.sski.ruhr-uni-bochum.de
14 entries


10362807577
leaf cert
CN=R3, O=Let's Encrypt, C=US
2023-08-21 11:35:39
2023-11-19 12:35:38
descpos.iaw.rub.de, descpos.iaw.ruhr-uni-bochum.de, dsb.rub.de, dsb.ruhr-uni-bochum.de, sski.iaw.rub.de, sski.iaw.ruhr-uni-bochum.de, sski.rub.de, sski.ruhr-uni-bochum.de, www.dsb.rub.de, www.dsb.ruhr-uni-bochum.de, www.imtm-iaw.rub.de, www.imtm-iaw.ruhr-uni-bochum.de, www.sski.rub.de, www.sski.ruhr-uni-bochum.de
14 entries


 

11. Html-Content - Entries

Summary


Subresource Integrity (SRI)
DomainnameHtmlElementrel/property∑ size∑ problems∑ int.∑ ext.∑ Origin poss.∑ SRI ParseErrors∑ SRI valid∑ SRI missing
https://sski.ruhr-uni-bochum.de/
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34

0


0
0
0


img

16

0


0
0
0


link
alternate
3

0


0
0
0


link
stylesheet
8
101,099 Bytes
0
8
0
0
0
0


link
other
8
33,747 Bytes
0
4
0
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0


meta
other
8
24,747 Bytes
0
1
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0
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0


script

19
88,921 Bytes
0
19
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0
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0

 

Details (currently limited to 500 rows - some problems with spam users)

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsgStatus
https://sski.ruhr-uni-bochum.de/

a




1
ok















a

#


5
ok















a

#main-menu


1
ok















a

/archiv/


1
ok















a

/forschung/


1
ok















a

/kontakt/


1
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a

/lehre/


1
ok















a

/team/


1
ok















a

http://www.iaw.ruhr-uni-bochum.de/


1
ok















a

http://www.ruhr-uni-bochum.de/


1
ok















a

http://www.ruhr-uni-bochum.de/impressum.htm


1
ok















a

http://www.ruhr-uni-bochum.de/kontakt


1
ok















a

https://sski.ruhr-uni-bochum.de/


2
ok















a

https://sski.ruhr-uni-bochum.de/forschung/


2
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https://sski.ruhr-uni-bochum.de/grundlagen-publikation-zu-ki-foundation-models-veroeffentlicht/


1
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a

https://sski.ruhr-uni-bochum.de/jobs/


2
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a

https://sski.ruhr-uni-bochum.de/kontakt/


2
ok















a

https://sski.ruhr-uni-bochum.de/lehre/


2
ok















a

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1
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a

https://sski.ruhr-uni-bochum.de/team/


2
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https://sski.ruhr-uni-bochum.de/treo-talk-zur-entwicklung-von-nudges-als-verhaltensaendernde-interventionen-zur-reduzierung-von-e-waste-im-rahmen-des-eu-projektes-dice/


1
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1
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1
ok















a

https://www.ruhr-uni-bochum.de/de/datenschutz


1
ok















img
src
data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%201%201'%3E%3C/svg%3E
Image:


1
ok
alt: Logo IAW














img
src
data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%201%201'%3E%3C/svg%3E
Image:


1
ok
alt: Logo ISSE














img
src
data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%201%201'%3E%3C/svg%3E
Image:


1
ok
alt: Logo RUB














img
src
data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2012%2012'%3E%3C/svg%3E
Image:


1
ok
no alt-Attribute














img
src
data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%20737%20113'%3E%3C/svg%3E
Image:


2
ok
no alt-Attribute














img
src
data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%20804%20535'%3E%3C/svg%3E
Image:


1
ok
no alt-Attribute














img
src
data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%20804%20536'%3E%3C/svg%3E
Image:


8
ok
no alt-Attribute














img
src
data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%20804%20537'%3E%3C/svg%3E
Image:


1
ok
no alt-Attribute














link
alternate
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1
ok















link
alternate
https://sski.ruhr-uni-bochum.de/wp-json/oembed/1.0/embed?url=https%3A%2F%2Fsski.ruhr-uni-bochum.de%2F&format=xml


1
ok















link
alternate
https://sski.ruhr-uni-bochum.de/wp-json/wp/v2/pages/31


1
ok















link
apple-touch-icon
https://sski.ruhr-uni-bochum.de/wp-content/uploads/sites/16/2022/03/cropped-Logo_SSKI-180x180.png
200

1
ok
image/png
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 with long duration found.
No Compression - 14300 Bytes








link
canonical
https://sski.ruhr-uni-bochum.de/


1
ok















link
EditURI
https://sski.ruhr-uni-bochum.de/xmlrpc.php?rsd


1
ok















link
https://api.w.org/
https://sski.ruhr-uni-bochum.de/wp-json/


1
ok















link
icon
https://sski.ruhr-uni-bochum.de/wp-content/uploads/sites/16/2022/03/cropped-Logo_SSKI-192x192.png
200

1
ok
image/png
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 with long duration found.
No Compression - 15604 Bytes








link
icon
https://sski.ruhr-uni-bochum.de/wp-content/uploads/sites/16/2022/03/cropped-Logo_SSKI-32x32.png
200

1
ok
image/png
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 with long duration found.
No Compression - 1487 Bytes








link
preload
https://sski.ruhr-uni-bochum.de/wp-content/plugins/w3-total-cache/pub/js/lazyload.min.js
200

1
ok
application/x-javascript
X-Content-Type-Options nosniff found





Compression required: 2356 Bytes








link
shortlink
https://sski.ruhr-uni-bochum.de/


1
ok















link
stylesheet
https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/css/css_additional.css?ver=6.3.3
200

1
ok
text/css
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 2937 Bytes






local SRI possible, possible hash-values:

 

sha256-9l1pighwDMWeSrhLRV0xFmBL9qH8mN98rW2xurMv9RA=
sha384-250tMRv3ZcCAQvGIPhlocn3jYtVpmFrWUWJ2K9XuWbXk0wBCl/9Rx9jwO0RNUo7s
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<link rel="stylesheet" href="https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/css/css_additional.css?ver=6.3.3" crossorigin="anonymous" integrity="sha256-9l1pighwDMWeSrhLRV0xFmBL9qH8mN98rW2xurMv9RA=" />


Content loaded via url("...")

 

../images/icons/icon_facebook.png1
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../images/icons/icon_linkedin.png1
../images/icons/icon_mail.png1
../images/icons/icon_share.png1
../images/icons/icon_whatsapp.png1
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link
stylesheet
https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/css/css_AzYzzw3GRR-CzRZV1y2IyOQNHaOHzWbafkFf1rKwRiM.css?ver=6.3.3
200

1
ok
text/css
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 19382 Bytes






local SRI possible, possible hash-values:

 

sha256-6XYvd+7WTUoWZuf30LhuDuDj3LTGiWl67lRMFYv7r5k=
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<link rel="stylesheet" href="https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/css/css_AzYzzw3GRR-CzRZV1y2IyOQNHaOHzWbafkFf1rKwRiM.css?ver=6.3.3" crossorigin="anonymous" integrity="sha256-6XYvd+7WTUoWZuf30LhuDuDj3LTGiWl67lRMFYv7r5k=" />


Content loaded via url("...")

 

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/sites/all/themes/rub_news/images/button-arrow.png1
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https://www.ruhr-uni-bochum.de/themes/custom/rub/fonts/dd5daa4e-14c2-42a9-838e-73fa41ea9044.woff1
https://www.ruhr-uni-bochum.de/themes/custom/rub/fonts/f6dc818d-560b-492b-8a95-e5fb445c15cf.woff21
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https://www.ruhr-uni-bochum.de/themes/custom/rub/fonts/flamapro-basic.woff1
https://www.ruhr-uni-bochum.de/themes/custom/rub/fonts/flamapro-basic-A.ttf1
https://www.ruhr-uni-bochum.de/themes/custom/rub/fonts/FlamaPro-Medium.svg#FlamaBold1
https://www.ruhr-uni-bochum.de/themes/custom/rub/fonts/FlamaPro-Medium.ttf1
https://www.ruhr-uni-bochum.de/themes/custom/rub/fonts/FlamaPro-Medium.woff1

link
stylesheet
https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/css/css_dzSGzF4eL4jKnr7jRyNddJg8YFbsh4XX95lDN2VxRb8.css?ver=6.3.3
200

1
ok
text/css
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 8096 Bytes






local SRI possible, possible hash-values:

 

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<link rel="stylesheet" href="https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/css/css_dzSGzF4eL4jKnr7jRyNddJg8YFbsh4XX95lDN2VxRb8.css?ver=6.3.3" crossorigin="anonymous" integrity="sha256-dzSGzF4eL4jKnr7jRyNddJg8YFbsh4XX95lDN2VxRb8=" />


Content loaded via url("...")

 

/sites/all/modules/ctools/images/status-active.gif2
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https://netdna.bootstrapcdn.com/font-awesome/4.3.0/fonts/fontawesome-webfont.eot?#iefix&v=4.5.01
https://netdna.bootstrapcdn.com/font-awesome/4.3.0/fonts/fontawesome-webfont.eot?v=4.5.01
https://netdna.bootstrapcdn.com/font-awesome/4.3.0/fonts/fontawesome-webfont.svg?v=4.5.0#fontawesomeregular1
https://netdna.bootstrapcdn.com/font-awesome/4.3.0/fonts/fontawesome-webfont.ttf?v=4.5.01
https://netdna.bootstrapcdn.com/font-awesome/4.3.0/fonts/fontawesome-webfont.woff?v=4.5.01
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link
stylesheet
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sha384-jpnrFAqzm5O/R4Zgh+UblvzJi3DFVfkWdAzRwAL0Te9OfL8vzWIu3Mimai75gNbU
sha512-vD/D6x/ER9E5F/vwfwI4ziHfpD84wlV94zmVZsAPK6MhcYHsM6W30kmGRdrPNIC2CqTrUtUa3yoRviEISUeHNA==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/flexslider-ini.js?ver=6.3.3" crossorigin="anonymous" integrity="sha256-jG+QMV0U37A7ZqsONocwFBH9J4hfaS6syJvmeQih+LE=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/jquery.js?ver=6.3.3
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 1343 Bytes






local SRI possible, possible hash-values:

 

sha256-S6A+VyA+pXjsUfVtMXppzCu4OvCTN4BoOJD9ngRrZuU=
sha384-xDUnVms+IYzgRJ674BAy3VzJBm3p25MfoXecRnk9D8QMB+VWp/ekIo1vTmT7kDze
sha512-k4wNdV4L0gs+bC88HSFzjG6UxjBw81C9tl1wpedHRgg4CJersEZjacCVWyK2acp0QVkofbzVoS48PwCwZwiOrg==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/jquery.js?ver=6.3.3" crossorigin="anonymous" integrity="sha256-S6A+VyA+pXjsUfVtMXppzCu4OvCTN4BoOJD9ngRrZuU=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/jquery_002.js?ver=6.3.3
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 6418 Bytes






local SRI possible, possible hash-values:

 

sha256-LOlKgN6dFGIm4JZ6rPUeN/kuGDKYFTOK9N4K7z/GdwU=
sha384-5eB96tQ1+EmlT82jWHVHT2wLWCqqBmi7fkXneBAobi8AVR+uHNH8gPD6akh/TR7u
sha512-rAwslC02shr6z0zkx8cDS+IvQBYYeJuB4VawR94I+cofNhvXPRSxMpWtD3UdN5P5eShxPXpEyf/m2URx7yAQQA==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/jquery_002.js?ver=6.3.3" crossorigin="anonymous" integrity="sha256-LOlKgN6dFGIm4JZ6rPUeN/kuGDKYFTOK9N4K7z/GdwU=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/jquery_003.js?ver=6.3.3
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 1066 Bytes






local SRI possible, possible hash-values:

 

sha256-FDD0LA12C6jgW7N2JIBQLlQfZU/sVznuQGJasi3DjE8=
sha384-ek/cQjPYr00wpMZE+17gGlMCMLNZJmH3RNuSJv3dlTEarpLJ1WKI20e10j21DW1h
sha512-gnREenKpCIp3asLMNJwSJkfOK0O+jpufNjYaVwkaAl+OYhu1dPkqJ5mQnc/wgi09VDebGp8yt/Ss212Z6gdaCg==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/jquery_003.js?ver=6.3.3" crossorigin="anonymous" integrity="sha256-FDD0LA12C6jgW7N2JIBQLlQfZU/sVznuQGJasi3DjE8=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/jquery-1.12.4.min.js?ver=6.3.3
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 33760 Bytes






local SRI possible, possible hash-values:

 

sha256-ZosEbRLbNQzLpnKIkEdrPv7lOy9C27hHQ+Xp8a4MxAQ=
sha384-nvAa0+6Qg9clwYCGGPpDQLVpLNn0fRaROjHqs13t4Ggj3Ez50XnGQqc/r8MhnRDZ
sha512-jGsMH83oKe9asCpkOVkBnUrDDTp8wl+adkB2D+//JtlxO4SrLoJdhbOysIFQJloQFD+C4Fl1rMsQZF76JjV0eQ==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/jquery-1.12.4.min.js?ver=6.3.3" crossorigin="anonymous" integrity="sha256-ZosEbRLbNQzLpnKIkEdrPv7lOy9C27hHQ+Xp8a4MxAQ=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/jquery-extend-3.js?ver=6.3.3
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 1330 Bytes






local SRI possible, possible hash-values:

 

sha256-xUEDulfuIQylXAUucEFUAnB1SKTmpo3W77OJUBm+45I=
sha384-aui48YbAP+VRFyUm4dpDqA/JE9JZT/V10LU8cNlg/SC4RHRQRFHF07OfesK2xI0x
sha512-/neWuHYQyrxOUuTNPS3l5VKorC0EK8UgaM+ltOx9t4rzQ+fHr1tyYGGVFoYIM1vv0Fj4S9Hra+bQPdMwlUirow==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/jquery-extend-3.js?ver=6.3.3" crossorigin="anonymous" integrity="sha256-xUEDulfuIQylXAUucEFUAnB1SKTmpo3W77OJUBm+45I=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/jquery-html-prefilter-3.js?ver=6.3.3
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 4480 Bytes






local SRI possible, possible hash-values:

 

sha256-+thO+hRftQfl35tYL6AbHE5jE95/cuvdVXJtkvpNvwY=
sha384-INlZYtvZ1qwR232gkRBNMTiiBtHAuP8QIIaWYyvqLXhgjgiyVGJVuYFswUbrO2eU
sha512-+u7dtp4OKrXu/O6yDCvTyqA/LA+old6Mkof9s2fSQasKjkCDFF9kJgTO8m2+khHU/Kiqj0RWOLLKYvUfRQeEvw==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/jquery-html-prefilter-3.js?ver=6.3.3" crossorigin="anonymous" integrity="sha256-+thO+hRftQfl35tYL6AbHE5jE95/cuvdVXJtkvpNvwY=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/rub.js?v=1.35&ver=6.3.3
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 484 Bytes






local SRI possible, possible hash-values:

 

sha256-c+mwXicd3VkfGaESQqcDjJyJFqtu3ABCconHevdhkpg=
sha384-rgQIf08r1N7+7usU/Ik0TNSDT4C/p51fMIDl1PYlCcDrFV4HAlLBUdbCmhGKFnMY
sha512-TV2Ub0U6IJ3o/Lrwd2zdu8pSQyv/rwukSqeO+8gR05cvom4DtIOhPc2/jvuifaSAuiuM0Tfoii6WcYMiaHAwIw==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-content/themes/rub/js/rub.js?v=1.35&ver=6.3.3" crossorigin="anonymous" integrity="sha256-c+mwXicd3VkfGaESQqcDjJyJFqtu3ABCconHevdhkpg=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/api-fetch.min.js?ver=0fa4dabf8bf2c7adf21a
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 2299 Bytes






local SRI possible, possible hash-values:

 

sha256-AcCQiIPG+8NSowIXDxqIY7MGtPccwR2uodpMN/bQrME=
sha384-yL/2Vcon1hq4J6TQAEbuEwkPnpytJdbiUpjOzs9aab9KO03xm9dbGbrUe7rYozBq
sha512-ekmQkboPvRiedt9aZiuH2uhfd75Gc9sZ27QxqMaADZlqvVb72umreZK/0XODK5NuixaBAUGaY97Y4psEW1pZ7Q==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/api-fetch.min.js?ver=0fa4dabf8bf2c7adf21a" crossorigin="anonymous" integrity="sha256-AcCQiIPG+8NSowIXDxqIY7MGtPccwR2uodpMN/bQrME=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/hooks.min.js?ver=c6aec9a8d4e5a5d543a1
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 1567 Bytes






local SRI possible, possible hash-values:

 

sha256-eGhGfJSlqgs/Ee9UL0UoeWf5Yns7Ws3Ibkf493oSZZY=
sha384-/8/7LbHlet9wZt7XxL4Mj5jqsI5FlDPtceX99d2JFVLg88Xayz9plapE0xoxFbiI
sha512-f+wwzEIjw52e48y7qMxmyQRnqZhyeTNL5DquTCUfbGGPazzPIjFHx5zmxGPInwzrDQ5ORxrZq2V0qzKvcopTXw==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/hooks.min.js?ver=c6aec9a8d4e5a5d543a1" crossorigin="anonymous" integrity="sha256-eGhGfJSlqgs/Ee9UL0UoeWf5Yns7Ws3Ibkf493oSZZY=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/i18n.min.js?ver=7701b0c3857f914212ef
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 3692 Bytes






local SRI possible, possible hash-values:

 

sha256-aY6T/kkcx7vwekcFeaM9vQ21PBkUK3vkHr/TmiOu8R8=
sha384-Tg/n6wTfZnYvIeghs1zNiMqN//ll25MhLcy5uJWjFpzOc00dmbt9RtPH+/kUJYiF
sha512-cRfoeaik2MjhrNGjQkenz0IBKNqXDtQpddagRmXsVx3DiMYvw7UN7aC56Jb1mdVv+8KLJaRRGc159fRePljBeA==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/i18n.min.js?ver=7701b0c3857f914212ef" crossorigin="anonymous" integrity="sha256-aY6T/kkcx7vwekcFeaM9vQ21PBkUK3vkHr/TmiOu8R8=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/url.min.js?ver=8814d23f2d64864d280d
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 3715 Bytes






local SRI possible, possible hash-values:

 

sha256-aDVavmh8/+7v42vGmFVSOrR0XQ51P3QXE4+aQSWcznE=
sha384-2QTAL782KRK6h8nlXrNkhVr2v5lsQZcCQBDR3tzl/soAWtcqljD2NV4uNq8kMc39
sha512-+WY+yv3pJ0Ml9O7yG2qU49lkGlV3p7Gu3ZfabQmxNVthn//+PNzDkrIl1Rlp19JO1qkiSjYhjEJBZvyk1QUqqg==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/url.min.js?ver=8814d23f2d64864d280d" crossorigin="anonymous" integrity="sha256-aDVavmh8/+7v42vGmFVSOrR0XQ51P3QXE4+aQSWcznE=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/vendor/regenerator-runtime.min.js?ver=0.13.11
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 2499 Bytes






local SRI possible, possible hash-values:

 

sha256-aXS/2PoGt4MfBctLJYYMhRpa0/AqZpnr5oiYfdem6+Y=
sha384-0YEyjw8x2g6fYZ0asNupfMPqkE0LgQblkKc+rWbFJa0DPbTIbsO71vRHUGBMIo7u
sha512-JoU3P2UiwDnxcSNoPbxKLW6vVyvKcrYBm3/MmxWyqilcrKsZuZoRYcw+MX1r38O9wr/7/IfZ6pCG2ligE4SZEA==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/vendor/regenerator-runtime.min.js?ver=0.13.11" crossorigin="anonymous" integrity="sha256-aXS/2PoGt4MfBctLJYYMhRpa0/AqZpnr5oiYfdem6+Y=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/vendor/wp-polyfill.min.js?ver=3.15.0
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 5889 Bytes






local SRI possible, possible hash-values:

 

sha256-TAztLLODDQRc3XT3Rf1NbcsILY7dOp/kbjkpXjDLgDI=
sha384-82weEUbmb5eIe6DQvel+YMyJ2HarlC2C7NNHNN8y7278wkH3HhNHAY2c8fyLIBJy
sha512-YoFptl85oY8T+srJ4zdetZ28rGfNqnYSViFl2UrsH9ps/5Ox8igVXDF/gqVEOQlI9yQ98zCXKFG0n2pFeBqi0g==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/vendor/wp-polyfill.min.js?ver=3.15.0" crossorigin="anonymous" integrity="sha256-TAztLLODDQRc3XT3Rf1NbcsILY7dOp/kbjkpXjDLgDI=" />



script
src
https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/vendor/wp-polyfill-inert.min.js?ver=3.1.2
200

1
ok
Missing defer / async attribute. application/x-javascript
X-Content-Type-Options nosniff found





Cache-Control: max-age=31536000 - with long duration found.
Compression required: 2484 Bytes






local SRI possible, possible hash-values:

 

sha256-wamj4iO61jHf8S0ztUmesUXLCNhiHCDZ1zhw542Xr+Q=
sha384-4LziD8jNgFweZKF2qS41j7CKVH+n3+jDSEpWrqqgs/DQMEbErxBVh352wCwo6aWJ
sha512-Bcs2c0SKeaqBiHxgqCq6UfmoQ9wTq0/Dmz5tiufWMnMtmv769y/D0ZfCeVozZP39T4PJtihkTZjxyQF7/UNeYg==

 

<script src="https://sski.ruhr-uni-bochum.de/wp-includes/js/dist/vendor/wp-polyfill-inert.min.js?ver=3.1.2" crossorigin="anonymous" integrity="sha256-wamj4iO61jHf8S0ztUmesUXLCNhiHCDZ1zhw542Xr+Q=" />


 

12. Html-Parsing via https://validator.w3.org/nu/

Small Code update, wait one minute

 

13. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: dns1.ruhr-uni-bochum.de, dns2.ruhr-uni-bochum.de

 

QNr.DomainTypeNS used
1
de
NS
b.root-servers.net (2001:500:200::b)

Answer: a.nic.de, f.nic.de, l.de.net, n.de.net, s.de.net, z.nic.de
2
dns1.ruhr-uni-bochum.de: 134.147.231.10, 2a05:3e00:1:1007::231:10
NS
a.nic.de (2001:678:2::53)

Answer: dns2.ruhr-uni-bochum.de
134.147.220.178, 2a05:3e00:9:1002::220:178
3
dns-1.dfn.de
NS
a.nic.de (2001:678:2::53)

Answer: ns1.dfn.de, ns2.dfn.de, ns3.dfn.de

Answer: ns1.dfn.de
194.95.236.51, 2001:638:d:c110::51

Answer: ns2.dfn.de
194.95.236.59, 2001:638:d:c111::59

Answer: ns3.dfn.de
194.95.236.67
4
dns-1.dfn.de: 193.174.75.50
A
ns1.dfn.de (2001:638:d:c110::51)
5
dns-1.dfn.de: 2001:638:d:b101::1
AAAA
ns1.dfn.de (2001:638:d:c110::51)

 

14. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
sski.rub.de
0

no CAA entry found
1
0
rub.de
9
issuewild
;
1
0

5
issue
letsencrypt.org
1
0

5
iodef
mailto:abuse@ruhr-uni-bochum.de
1
0

5
issue
pki.dfn.de
1
0

5
issue
sectigo.com
1
0

5
issue
telesec.de
1
0
de
0

no CAA entry found
1
0

 

15. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
rub.de
adobe-idp-site-verification=9dbefc807fe5d39976c34678175f86b0418bc5178b56febd01014c8a65fd0511
ok
1
0
rub.de
apple-domain-verification=Do06TXqqgCK5apVH
ok
1
0
rub.de
google-site-verification=DjVLPWJ2ub7fqE8MVMN67zHZJF-5ZiW8JTbqtxJ9X5M
ok
1
0
rub.de
mindmanager-verification=48b8b652842c93d93edcd6d693fbb40d9e1d037bd9bbb2083843929876b0aa66
ok
1
0
rub.de
v=spf1 exists:%{ir}.%{v}._spfx.mail.ruhr-uni-bochum.de exists:%{ir}._ip.%{l1r+}._spfx.mail.ruhr-uni-bochum.de ~all
ok
1
0
sski.rub.de

ok
1
0
_acme-challenge.sski.rub.de

Name Error - The domain name does not exist
1
0
_acme-challenge.sski.rub.de.rub.de

Name Error - The domain name does not exist
1
0
_acme-challenge.sski.rub.de.sski.rub.de

Name Error - The domain name does not exist
1
0

 

16. DomainService - Entries

TypeDomainPrefValueDNS-errornum AnswersStatusDescription
MX

sski.rub.de
0
01ok

 

 

17. Cipher Suites

Summary
DomainIPPortnum CipherstimeStd.ProtocolForward Secrecy
sski.rub.de
134.147.222.184
443
3 Ciphers54.69 sec
0 without, 3 FS
100.00 %
sski.rub.de
2a05:3e00:1:100a:134:147:222:184
443
3 Ciphers46.04 sec
0 without, 3 FS
100.00 %
Complete

2
6 Ciphers
3.00 Ciphers/Check
100.73 sec50.36 sec/Check
0 without, 6 FS
100.00 %

Details
DomainIPPortCipher (OpenSsl / IANA)
sski.rub.de
134.147.222.184
443
ECDHE-ECDSA-CHACHA20-POLY1305
(Recommended)
TLSv1.2
0xCC,0xA9
FS
3 Ciphers, 54.69 sec
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256

ECDH
ECDSA
CHACHA20/POLY1305(256)
AEAD




ECDHE-ECDSA-AES256-GCM-SHA384
(Recommended)
TLSv1.2
0xC0,0x2C
FS

TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384

ECDH
ECDSA
AESGCM(256)
AEAD




ECDHE-ECDSA-AES128-GCM-SHA256
(Recommended)
TLSv1.2
0xC0,0x2B
FS

TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256

ECDH
ECDSA
AESGCM(128)
AEAD


2a05:3e00:1:100a:134:147:222:184
443
ECDHE-ECDSA-CHACHA20-POLY1305
(Recommended)
TLSv1.2
0xCC,0xA9
FS
3 Ciphers, 46.04 sec
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256

ECDH
ECDSA
CHACHA20/POLY1305(256)
AEAD




ECDHE-ECDSA-AES256-GCM-SHA384
(Recommended)
TLSv1.2
0xC0,0x2C
FS

TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384

ECDH
ECDSA
AESGCM(256)
AEAD




ECDHE-ECDSA-AES128-GCM-SHA256
(Recommended)
TLSv1.2
0xC0,0x2B
FS

TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256

ECDH
ECDSA
AESGCM(128)
AEAD

 

18. Portchecks

No open Ports <> 80 / 443 found, so no additional Ports checked.

 

 

Permalink: https://check-your-website.server-daten.de/?i=06bcc026-29f6-4908-af18-dd3b101fa3b9

 

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