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

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Shortcuts: 1. IP-Addresses | 2. DNSSEC | 3. Name Servers | 4. SOA-Entries | 5. Screenshots | 6. Url-Checks | 7. Comments | 8. Connections | 9. Certificates | 10. CT-Logs | 11. Html-Content | 12. Html-Parsing | 13. NameServer-IPAddresses | 14. CAA | 15. TXT | 16. DomainServiceEntries | 17. Cipher Suites | 18. Portchecks |

 

I

 

Content problems - mixed content, missing files etc.

 

Checked:
09.05.2025 15:22:29

 

Older results

 

N - 09.05.2025 15:17:30

 

1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
api.uta-sedlock.de
A
172.104.137.205
Frankfurt am Main/Hesse/Germany (DE) - Akamai Technologies
Hostname: 172-104-137-205.ip.linodeusercontent.com
yes
1
0

AAAA

yes


www.api.uta-sedlock.de

Name Error
yes
1
0
*.uta-sedlock.de
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes


*.api.uta-sedlock.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






3 DNSKEY RR found






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






Public Key with Algorithm 8, KeyTag 38696, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 53148, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 22.05.2025, 00:00:00 +, Signature-Inception: 01.05.2025, 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: 22.05.2025, 05:00:00 +, Signature-Inception: 09.05.2025, 04:00:00 +, KeyTag 53148, Signer-Name: (root)






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 53148 used to validate the DS RRSet in the parent zone






2 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 5808, Flags 256






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






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner de., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 17.05.2025, 23:00:03 +, Signature-Inception: 03.05.2025, 21:30:03 +, 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: uta-sedlock.de

uta-sedlock.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 "ufudla8m1s0f72mtm7dh90l1nb76ttla" between the hashed NSEC3-owner "ufuch3a296o6d7irtrapodnd465f7qq5" and the hashed NextOwner "ufug9mv370u1spqe7d2ururcp1qiqeeh". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: No Bitmap? Validated: RRSIG-Owner ufuch3a296o6d7irtrapodnd465f7qq5.de., Algorithm: 8, 2 Labels, original TTL: 7200 sec, Signature-expiration: 19.05.2025, 06:35:49 +, Signature-Inception: 05.05.2025, 05:05:49 +, KeyTag 5808, Signer-Name: de






DS-Query in the parent zone sends valid NSEC3 RR with the Hash "tjlb7qbojvmlf1s6gdriru7vsms1lg16" as Owner. That's the Hash of "de" with the NextHashedOwnerName "tjlcsjat4ljtvo0tjncrrdf6kf6onefb". So that domain name is the Closest Encloser of "uta-sedlock.de". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner tjlb7qbojvmlf1s6gdriru7vsms1lg16.de., Algorithm: 8, 2 Labels, original TTL: 7200 sec, Signature-expiration: 19.05.2025, 05:13:35 +, Signature-Inception: 05.05.2025, 03:43:35 +, KeyTag 5808, Signer-Name: de






0 DNSKEY RR found









Zone: api.uta-sedlock.de

api.uta-sedlock.de
0 DS RR in the parent zone found






0 DNSKEY RR found









Zone: www.api.uta-sedlock.de

www.api.uta-sedlock.de
0 DS RR in the parent zone found

 

3. Name Servers

DomainNameserverNS-IP
www.api.uta-sedlock.de
•  ns1.linode.com

api.uta-sedlock.de
•  ns1.linode.com
92.123.94.2
Warsaw/Mazovia/Poland (PL) - Akamai Technologies		•

• 
2600:14c0:6::2
Springfield/Illinois/United States (US) - Akamai International B.V.		•
uta-sedlock.de
•  ns1.linode.com
92.123.94.2
Warsaw/Mazovia/Poland (PL) - Akamai Technologies		•

• 
2600:14c0:6::2
Springfield/Illinois/United States (US) - Akamai International B.V.		•

•  ns2.linode.com
92.123.94.3
Warsaw/Mazovia/Poland (PL) - Akamai Technologies		•

• 
2600:14c0:6::3
Springfield/Illinois/United States (US) - Akamai International B.V.		•

•  ns3.linode.com
92.123.95.3
London/England/United Kingdom (GB) - Akamai Technologies		•

• 
2600:14c0:7::3
Springfield/Illinois/United States (US) - Akamai International B.V.		•

•  ns4.linode.com
92.123.95.4
London/England/United Kingdom (GB) - Akamai Technologies		•

• 
2600:14c0:7::4
Springfield/Illinois/United States (US) - Akamai International B.V.		•

•  ns5.linode.com
92.123.95.2
London/England/United Kingdom (GB) - Akamai Technologies		•

• 
2600:14c0:7::2
Springfield/Illinois/United States (US) - Akamai International B.V.		•
de
•  a.nic.de / ns-1.de.de8.knot
•

•  f.nic.de / ns-1.de.de1.knot
•

•  l.de.net / ns-1.de.fr1.knot
•

•  n.de.net / s3.amx
•

•  s.de.net / ns-2.de.de9.knot
•

•  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:1746796844
Refresh:7200
Retry:7200
Expire:3600000
TTL:7200
num Entries:6


Domain:uta-sedlock.de
Zone-Name:uta-sedlock.de
Primary:ns1.linode.com
Mail:n.negotium.posteo.net
Serial:2021000017
Refresh:14400
Retry:14400
Expire:1209600
TTL:86400
num Entries:5


Domain:uta-sedlock.de
Zone-Name:uta-sedlock.de
Primary:ns1.linode.com
Mail:n.negotium.posteo.net
Serial:2021000019
Refresh:14400
Retry:14400
Expire:1209600
TTL:86400
num Entries:5


Domain:api.uta-sedlock.de
Zone-Name:uta-sedlock.de
Primary:ns1.linode.com
Mail:n.negotium.posteo.net
Serial:2021000019
Refresh:14400
Retry:14400
Expire:1209600
TTL:86400
num Entries:2


Domain:www.api.uta-sedlock.de
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


5. Screenshots

Startaddress: https://api.uta-sedlock.de/admin, address used: https://api.uta-sedlock.de/admin/auth/login, Screenshot created 2025-05-09 15:24:49 +00:0

 

Mobil (412px x 732px)

 

1057 milliseconds

 

Screenshot mobile - https://api.uta-sedlock.de/admin/auth/login
Mobil + Landscape (732px x 412px)

 

1062 milliseconds

 

Screenshot mobile landscape - https://api.uta-sedlock.de/admin/auth/login
Screen (1280px x 1680px)

 

1143 milliseconds

 

Screenshot Desktop - https://api.uta-sedlock.de/admin/auth/login

 

Mobile- and other Chrome-Checks


widthheight
visual Viewport412716
content Size552716

 

Fatal: Horizontal scrollbar detected. Content-size width is greater then visual Viewport width.

 

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://api.uta-sedlock.de/
172.104.137.205
301
https://api.uta-sedlock.de/
Html is minified: 109.46 %
0.030
A
Server: nginx
Date: Fri, 09 May 2025 13:23:41 GMT
Connection: keep-alive
Location: https://api.uta-sedlock.de/
Content-Type: text/html
Content-Length: 162

• https://api.uta-sedlock.de/
172.104.137.205
302
https://api.uta-sedlock.de/admin
Html is minified: 100.00 %
2.100
A
Server: nginx
Date: Fri, 09 May 2025 13:23:41 GMT
Connection: keep-alive
Content-Security-Policy: connect-src 'self' https:;img-src 'self' data: blob: https://s3.uta-sedlock.de dl.airtable.com market-assets.strapi.io;media-src 'self' data: blob: https://s3.uta-sedlock.de dl.airtable.com market-assets.strapi.io;default-src 'self';base-uri 'self';font-src 'self' https: data:;form-action 'self';frame-ancestors 'self';object-src 'none';script-src 'self';script-src-attr 'none';style-src 'self' https: 'unsafe-inline'
Referrer-Policy: no-referrer
Strict-Transport-Security: max-age=31536000; includeSubDomains
X-Content-Type-Options: nosniff
X-DNS-Prefetch-Control: off
X-Download-Options: noopen
X-Frame-Options: SAMEORIGIN
X-Permitted-Cross-Domain-Policies: none
Vary: Origin
Access-Control-Allow-Origin:
Access-Control-Allow-Credentials: true
Location: https://api.uta-sedlock.de/admin
X-Powered-By: Strapi <strapi.io>
Content-Type: text/html; charset=utf-8
Content-Length: 95

• https://api.uta-sedlock.de/admin
No Compression used - 756 / 1058 - 71.46 % possible
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 1/130		200

Html is minified: 172.03 %
Other inline scripts (∑/total): 0/0		2.024
I
Server: nginx
Date: Fri, 09 May 2025 13:23:49 GMT
Transfer-Encoding: chunked
Connection: keep-alive
Content-Security-Policy: connect-src 'self' https:;img-src 'self' data: blob: https://s3.uta-sedlock.de dl.airtable.com market-assets.strapi.io;media-src 'self' data: blob: https://s3.uta-sedlock.de dl.airtable.com market-assets.strapi.io;default-src 'self';base-uri 'self';font-src 'self' https: data:;form-action 'self';frame-ancestors 'self';object-src 'none';script-src 'self';script-src-attr 'none';style-src 'self' https: 'unsafe-inline'
Referrer-Policy: no-referrer
Strict-Transport-Security: max-age=31536000; includeSubDomains
X-Content-Type-Options: nosniff
X-DNS-Prefetch-Control: off
X-Download-Options: noopen
X-Frame-Options: SAMEORIGIN
X-Permitted-Cross-Domain-Policies: none
Vary: Origin
Access-Control-Allow-Origin:
Access-Control-Allow-Credentials: true
X-Powered-By: Strapi <strapi.io>
Content-Type: text/html; charset=utf-8
Content-Length: 1058

• http://api.uta-sedlock.de/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
172.104.137.205
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		404

Html is minified: 110.61 %
Other inline scripts (∑/total): 0/0		0.017
A
Not Found
Visible Content:
Server: nginx
Date: Fri, 09 May 2025 13:23:45 GMT
Connection: keep-alive
Content-Type: text/html
Content-Length: 146

• https://172.104.137.205/
172.104.137.205
301
https://api.uta-sedlock.de/
Html is minified: 109.46 %
2.030
N
Certificate error: RemoteCertificateNameMismatch
Server: nginx
Date: Fri, 09 May 2025 13:23:45 GMT
Connection: keep-alive
Location: https://api.uta-sedlock.de/
Content-Type: text/html
Content-Length: 162

 

7. Comments


1. General Results, most used to calculate the result

Aname "api.uta-sedlock.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: 10860 (complete: 270180)
AGood: All ip addresses are public addresses
Warning: Only one ip address found: api.uta-sedlock.de has only one ip address.
Warning: No ipv6 address found. Ipv6 is the future with a lot of new features. So every domain name should have an ipv6 address. See https://en.wikipedia.org/wiki/IPv6: api.uta-sedlock.de has no ipv6 address.
AGood: No asked Authoritative Name Server had a timeout
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
Ahttps://api.uta-sedlock.de/ 172.104.137.205
302
https://api.uta-sedlock.de/admin
Correct redirect https to https
Ahttps://172.104.137.205/ 172.104.137.205
301
https://api.uta-sedlock.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.
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: Some urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset):1 complete Content-Type - header (2 urls)
http://api.uta-sedlock.de/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 172.104.137.205


Url with incomplete Content-Type - header - missing charset
Ahttp://api.uta-sedlock.de/ 172.104.137.205
301
https://api.uta-sedlock.de/
Correct redirect http - https with the same domain name
Ihttps://api.uta-sedlock.de/admin
200

Content problems or problems with resources included - http links, files doesn't exist, different Content-Type definitions. Check the Html-Content - Part.
Nhttps://172.104.137.205/ 172.104.137.205
301
https://api.uta-sedlock.de/
Error - Certificate isn't trusted, RemoteCertificateNameMismatch
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 different. So that domain requires Server Name Indication (SNI), so the server is able to select the correct certificate.: Domain api.uta-sedlock.de, 1 ip addresses.
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.api.uta-sedlock.de

2. Header-Checks

Aapi.uta-sedlock.de
Content-Security-Policy
Ok: Header without syntax errors found: connect-src 'self' https:;img-src 'self' data: blob: https://s3.uta-sedlock.de dl.airtable.com market-assets.strapi.io;media-src 'self' data: blob: https://s3.uta-sedlock.de dl.airtable.com market-assets.strapi.io;default-src 'self';base-uri 'self';font-src 'self' https: data:;form-action 'self';frame-ancestors 'self';object-src 'none';script-src 'self';script-src-attr 'none';style-src 'self' https: 'unsafe-inline'
A

Good: default-src directive only with 'none' or 'self', additional sources are blocked. script-src
A

Good: default-src without 'unsafe-inline' or 'unsave-eval'. script-src
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.
A

Good: script-src without 'unsafe-inline' and 'unsafe-eval' found. That's the recommended configuration.
A

Good: script-src without * and a scheme found.
A

Good: script-src without data: schema found. Why is this important? The data: schema allows hidden code injection. Insert <script src='data:application/javascript;base64,YWxlcnQoJ1hTUycpOw=='></script> in your page and see what happens.
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.
C

Info: default-src and some other fetch directives have the same list of values. Remove the other fetch directive, default-src is used as fallback. Directives to remove: script-src
A
X-Content-Type-Options
Ok: Header without syntax errors found: nosniff
A
Referrer-Policy
Ok: Header without syntax errors found: no-referrer
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.
Fapi.uta-sedlock.de
Permissions-Policy
Critical: Missing Header:
Bapi.uta-sedlock.de
Cross-Origin-Embedder-Policy
Info: Missing Header
Bapi.uta-sedlock.de
Cross-Origin-Opener-Policy
Info: Missing Header
Bapi.uta-sedlock.de
Cross-Origin-Resource-Policy
Info: Missing Header

3. DNS- and NameServer - Checks

AInfo:: 35 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 5 Name Servers.
AInfo:: 35 Queries complete, 35 with IPv6, 0 with IPv4.
AGood: All DNS Queries done via IPv6.
Ok (4 - 8):: An average of 7.0 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 5 different Name Servers found: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com, 5 Name Servers included in Delegation: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com, 5 Name Servers included in 1 Zone definitions: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com, 1 Name Servers listed in SOA.Primary: ns1.linode.com.
AGood: Only one SOA.Primary Name Server found.: ns1.linode.com.
AGood: SOA.Primary Name Server included in the delegation set.: ns1.linode.com.
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: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com
AGood: All Name Server Domain Names have a Public Suffix.
AGood: All Name Server Domain Names ending with a Public Suffix have minimal one IPv4- or IPv6 address.
AGood: All Name Server ip addresses are public.
AGood: Minimal 2 different name servers (public suffix and public ip address) found: 5 different Name Servers found
AGood: All name servers have ipv4- and ipv6-addresses.: 5 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.: 5 Name Servers, 1 Top Level Domain: com
Warning: All Name Servers have the same domain name. If there is a problem with that domain name (or with the name servers of that domain name), your domain may be affected. Better: Use Name Servers with different domain names / different top level domains.: Only one domain name used: linode.com
AGood: Name servers with different Country locations found: 5 Name Servers, 3 Countries: GB, PL, US
AInfo: Ipv4-Subnet-list: 5 Name Servers, 1 different subnets (first Byte): 92., 1 different subnets (first two Bytes): 92.123., 2 different subnets (first three Bytes): 92.123.94., 92.123.95.
AGood: Name Server IPv4-addresses from different subnet found:
AInfo: IPv6-Subnet-list: 5 Name Servers with IPv6, 1 different subnets (first block): 2600:, 1 different subnets (first two blocks): 2600:14c0:, 2 different subnets (first three blocks): 2600:14c0:0006:, 2600:14c0:0007:, 2 different subnets (first four blocks): 2600:14c0:0006:0000:, 2600:14c0:0007:0000:
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: ns1.linode.com: 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: ns2.linode.com / 92.123.94.3: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
AGood: All SOA have the same Serial Number
Warning: No CAA entry with issue/issuewild found, every CAA can create a certificate. Read https://en.wikipedia.org/wiki/DNS_Certification_Authority_Authorization to learn some basics about the idea of CAA. Your name server must support such an entry. Not all dns providers support CAA entries.

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.
https://api.uta-sedlock.de/admin
200

Warning: https result with status 200 and size greater then 1024 Bytes without Compression found. Add Compression support (gzip, deflate, br - these are checked) so the html content is compressed.
https://api.uta-sedlock.de/admin
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://api.uta-sedlock.de/admin
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.
https://api.uta-sedlock.de/admin
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.: 1 script elements without defer/async.
Warning: CSS / JavaScript found without Compression. Compress these ressources, gzip, deflate, br are checked. 1 external CSS / JavaScript files without Compression found - 0 with Compression, 1 complete
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. 1 external CSS / JavaScript files with long Cache-Control max-age found
AGood: All checked attribute values are enclosed in quotation marks (" or ').
AInfo: No img element found, no alt attribute checked
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: 147393 milliseconds, 147.393 seconds

 

8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
api.uta-sedlock.de
api.uta-sedlock.de
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
api.uta-sedlock.de
api.uta-sedlock.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 (complete)

1CN=api.uta-sedlock.de


2CN=E5, O=Let's Encrypt, C=US


api.uta-sedlock.de
172.104.137.205
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok

api.uta-sedlock.de
172.104.137.205
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
http/2 via ALPN supported 
SNI required 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
SNI required 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain (complete)

1CN=api.uta-sedlock.de


2CN=E5, O=Let's Encrypt, C=US


172.104.137.205
172.104.137.205
443
name does not match
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok

172.104.137.205
172.104.137.205
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 (complete)

1CN=api.next.uta-sedlock.de


2CN=E6, O=Let's Encrypt, C=US

 

9. Certificates

1.
1.
CN=api.uta-sedlock.de
09.05.2025
07.08.2025
expires in 83 days		api.uta-sedlock.de - 1 entry
1.
1.
CN=api.uta-sedlock.de
09.05.2025

07.08.2025
expires in 83 days


api.uta-sedlock.de - 1 entry

KeyalgorithmEC Public Key (256 bit, prime256v1)
Signatur:ECDSA SHA384
Serial Number:0563F7E526FD1AD130B2E45A147136AC3484
Thumbprint:7A614BA2C40813C4D0D6A40C7F1AC362ACAEF04A
SHA256 / Certificate:geJZ1E68HntFzAytHCzFtV/PGgR17tkH0v09sIWQAnA=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):1863d3cc3f6c53a90c0c7ee1f92d2eba93f1e07ce3fa059864335cf4a1155e3e
SHA256 hex / Subject Public Key Information (SPKI):1863d3cc3f6c53a90c0c7ee1f92d2eba93f1e07ce3fa059864335cf4a1155e3e (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
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=E5, O=Let's Encrypt, C=US
13.03.2024
13.03.2027
expires in 666 days

2.
CN=E5, O=Let's Encrypt, C=US
13.03.2024

13.03.2027
expires in 666 days




KeyalgorithmEC Public Key (384 bit, secp384r1)
Signatur:SHA256 With RSA-Encryption
Serial Number:00838F6C63CEB1398C6206628315C9FDDE
Thumbprint:5F28D9C589EE4BF31A11B78C72B8D13F079DDC45
SHA256 / Certificate:Xf2zzzGybyPYfAnzoM72QvZAaan7fP4pJwu13A8eFrs=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):3586d4ecf070578cbd27aedce20b964e48bc149faeb9dad72f46b857869172b8
SHA256 hex / Subject Public Key Information (SPKI):
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 3671 days

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

04.06.2035
expires in 3671 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:




2.
1.
CN=api.next.uta-sedlock.de
24.03.2025
22.06.2025
expires in 37 days		api.next.uta-sedlock.de - 1 entry
2.
1.
CN=api.next.uta-sedlock.de
24.03.2025

22.06.2025
expires in 37 days


api.next.uta-sedlock.de - 1 entry

KeyalgorithmEC Public Key (256 bit, prime256v1)
Signatur:ECDSA SHA384
Serial Number:06503C4B9AE61EA610A305F8CB614678CAEF
Thumbprint:18F47255DF6A74D90DC9544036ED16E050CC9A24
SHA256 / Certificate:fSg0Vy3k2IJtQn6Yx1PzJGETyCUwYiOG7ar/RaeoVIs=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):d32c22aca9889e33d3855ad18a7e69b8da0067e309c77e6d1fd0b51158cffd94
SHA256 hex / Subject Public Key Information (SPKI):d32c22aca9889e33d3855ad18a7e69b8da0067e309c77e6d1fd0b51158cffd94 (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:http://e6.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=E6, O=Let's Encrypt, C=US
13.03.2024
13.03.2027
expires in 666 days

2.
CN=E6, O=Let's Encrypt, C=US
13.03.2024

13.03.2027
expires in 666 days




KeyalgorithmEC Public Key (384 bit, secp384r1)
Signatur:SHA256 With RSA-Encryption
Serial Number:00B0573E9173972770DBB487CB3A452B38
Thumbprint:C94DC4831A901A9FEC0FB49B71BD49B5AAD4FAD0
SHA256 / Certificate:duniiKr8Djf0OQy/lGqtmX1cHJAbPOUT09j626viq4U=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):d016e1fe311948aca64f2de44ce86c9a51ca041df6103bb52a88eb3f761f57d7
SHA256 hex / Subject Public Key Information (SPKI):
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 3671 days

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

04.06.2035
expires in 3671 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)

No CertSpotter - CT-Log entries found

 

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=R10, O=Let's Encrypt, C=US
0
0
2
CN=E5, O=Let's Encrypt, C=US
1
1
1
CN=R11, O=Let's Encrypt, C=US
0
1
1

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
18308384911
leaf cert		CN=E5, O=Let's Encrypt, C=US
2025-05-09 10:21:37
2025-08-07 10:21:36
api.uta-sedlock.de
1 entries


17593529571
leaf cert		CN=R11, O=Let's Encrypt, C=US
2025-04-02 22:55:19
2025-07-01 22:55:18
api.uta-sedlock.de
1 entries


16965225487
leaf cert		CN=R10, O=Let's Encrypt, C=US
2025-02-02 00:23:45
2025-05-02 23:23:44
api.uta-sedlock.de
1 entries


15765620208
leaf cert		CN=R10, O=Let's Encrypt, C=US
2024-12-03 20:56:34
2025-03-03 20:56:33
api.uta-sedlock.de
1 entries


 

11. Html-Content - Entries

Summary


Subresource Integrity (SRI)
DomainnameHtmlElementrel/property∑∑ size∑ problems∑ int.∑ ext.∑ Origin poss.∑ SRI ParseErrors∑ SRI valid∑ SRI missing
https://api.uta-sedlock.de/admin
a

1

0


0
0
0


meta
other
4

0


0
0
0


script

1
3,153,690 Bytes
1
1
0
0
0
0

 

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

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsg∑Status
https://api.uta-sedlock.de/admin

a

https://www.enable-javascript.com/


1
ok















meta
charset
 utf-8


1
ok















meta
referrer
same-origin


1
ok















meta
robots
noindex


1
ok















meta
viewport
width=device-width, initial-scale=1, viewport-fit=cover


1
ok















script
src
/admin/strapi-CF01uctw.js
200

1
Problems with Content-Type - Header - see details
Missing defer / async attribute. application/javascript; charset=utf-8
X-Content-Type-Options nosniff found

This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


Cache-Control: public, max-age=31536000, immutable - with long duration found.
Compression required: 3153690 Bytes






local SRI possible, possible hash-values:

 

sha256-y9CRV/CiJ2EtBPZvW1LBcaaanNwIZL+mLK2MWe9/kcI=
sha384-r5bCOPXKL0EpBoWD5U+eZNdWUuYK2veR+gH/OOSD0hQMS3X7Uf+WEI28GxEeBarj
sha512-ajL2iW0NgZHpNg5Du8r2RpJnOpaUnAlwUw31+ASsNyFqjfbapK+rBkvRDxovP63DtTRwU5YRE3cBkTx0qZB1lQ==

 

<script src="/admin/strapi-CF01uctw.js" crossorigin="anonymous" integrity="sha256-y9CRV/CiJ2EtBPZvW1LBcaaanNwIZL+mLK2MWe9/kcI=" />


 

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

Url used (first standard-https-result with http status 200): https://api.uta-sedlock.de/admin

Summary

Good: No non-document-errors
1 errors
1 warnings

TypeMessagenum found
1.errorElement style not allowed as child of element div in this context. (Suppressing further errors from this subtree.)1
2.warningThe type attribute for the style element is not needed and should be omitted.1

Details


TypeMessage + Sample
1errorElement style not allowed as child of element div in this context. (Suppressing further errors from this subtree.)

From line 11, column 108 to line 11, column 130

i--no-js"><style type="text/css"> .stra
2warningThe type attribute for the style element is not needed and should be omitted.

From line 11, column 108 to line 11, column 130

i--no-js"><style type="text/css"> .stra

 

13. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com

 

QNr.DomainTypeNS used
1
com
NS
a.root-servers.net (2001:503:ba3e::2:30)

Answer: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net
2
ns1.linode.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: a1-249.akam.net, a12-65.akam.net, a16-64.akam.net, a3-67.akam.net, a4-64.akam.net, a7-65.akam.net
3
ns2.linode.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: a1-249.akam.net, a12-65.akam.net, a16-64.akam.net, a3-67.akam.net, a4-64.akam.net, a7-65.akam.net
4
ns3.linode.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: a1-249.akam.net, a12-65.akam.net, a16-64.akam.net, a3-67.akam.net, a4-64.akam.net, a7-65.akam.net
5
ns4.linode.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: a1-249.akam.net, a12-65.akam.net, a16-64.akam.net, a3-67.akam.net, a4-64.akam.net, a7-65.akam.net
6
ns5.linode.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: a1-249.akam.net, a12-65.akam.net, a16-64.akam.net, a3-67.akam.net, a4-64.akam.net, a7-65.akam.net
7
net
NS
a.root-servers.net (2001:503:ba3e::2:30)

Answer: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net
8
a1-249.akam.net
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: a1-67.akam.net, a11-67.akam.net, a12-67.akam.net, a18-67.akam.net, a22-67.akam.net, a28-67.akam.net, a4-67.akam.net, a6-67.akam.net

Answer: a1-67.akam.net
193.108.91.67, 2600:1401:2::43

Answer: a11-67.akam.net
2600:1480:1::43, 84.53.139.67

Answer: a12-67.akam.net
184.26.160.67, 2600:1480:f000::43

Answer: a18-67.akam.net
2600:1480:4800::43, 95.101.36.67

Answer: a22-67.akam.net
23.211.61.67, 2600:1480:7800::43

Answer: a28-67.akam.net
2600:1480:d800::43, 95.100.173.67

Answer: a4-67.akam.net
2600:1480:9000::43, 72.246.46.67

Answer: a6-67.akam.net
23.211.133.67, 2600:1401:1::43
9
a12-65.akam.net
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: a1-67.akam.net, a11-67.akam.net, a12-67.akam.net, a18-67.akam.net, a22-67.akam.net, a28-67.akam.net, a4-67.akam.net, a6-67.akam.net

Answer: a1-67.akam.net
193.108.91.67, 2600:1401:2::43

Answer: a11-67.akam.net
2600:1480:1::43, 84.53.139.67

Answer: a12-67.akam.net
184.26.160.67, 2600:1480:f000::43

Answer: a18-67.akam.net
2600:1480:4800::43, 95.101.36.67

Answer: a22-67.akam.net
23.211.61.67, 2600:1480:7800::43

Answer: a28-67.akam.net
2600:1480:d800::43, 95.100.173.67

Answer: a4-67.akam.net
2600:1480:9000::43, 72.246.46.67

Answer: a6-67.akam.net
23.211.133.67, 2600:1401:1::43
10
a16-64.akam.net
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: a1-67.akam.net, a11-67.akam.net, a12-67.akam.net, a18-67.akam.net, a22-67.akam.net, a28-67.akam.net, a4-67.akam.net, a6-67.akam.net

Answer: a1-67.akam.net
193.108.91.67, 2600:1401:2::43

Answer: a11-67.akam.net
2600:1480:1::43, 84.53.139.67

Answer: a12-67.akam.net
184.26.160.67, 2600:1480:f000::43

Answer: a18-67.akam.net
2600:1480:4800::43, 95.101.36.67

Answer: a22-67.akam.net
23.211.61.67, 2600:1480:7800::43

Answer: a28-67.akam.net
2600:1480:d800::43, 95.100.173.67

Answer: a4-67.akam.net
2600:1480:9000::43, 72.246.46.67

Answer: a6-67.akam.net
23.211.133.67, 2600:1401:1::43
11
a3-67.akam.net
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: a1-67.akam.net, a11-67.akam.net, a12-67.akam.net, a18-67.akam.net, a22-67.akam.net, a28-67.akam.net, a4-67.akam.net, a6-67.akam.net

Answer: a1-67.akam.net
193.108.91.67, 2600:1401:2::43

Answer: a11-67.akam.net
2600:1480:1::43, 84.53.139.67

Answer: a12-67.akam.net
184.26.160.67, 2600:1480:f000::43

Answer: a18-67.akam.net
2600:1480:4800::43, 95.101.36.67

Answer: a22-67.akam.net
23.211.61.67, 2600:1480:7800::43

Answer: a28-67.akam.net
2600:1480:d800::43, 95.100.173.67

Answer: a4-67.akam.net
2600:1480:9000::43, 72.246.46.67

Answer: a6-67.akam.net
23.211.133.67, 2600:1401:1::43
12
a4-64.akam.net
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: a1-67.akam.net, a11-67.akam.net, a12-67.akam.net, a18-67.akam.net, a22-67.akam.net, a28-67.akam.net, a4-67.akam.net, a6-67.akam.net

Answer: a1-67.akam.net
193.108.91.67, 2600:1401:2::43

Answer: a11-67.akam.net
2600:1480:1::43, 84.53.139.67

Answer: a12-67.akam.net
184.26.160.67, 2600:1480:f000::43

Answer: a18-67.akam.net
2600:1480:4800::43, 95.101.36.67

Answer: a22-67.akam.net
23.211.61.67, 2600:1480:7800::43

Answer: a28-67.akam.net
2600:1480:d800::43, 95.100.173.67

Answer: a4-67.akam.net
2600:1480:9000::43, 72.246.46.67

Answer: a6-67.akam.net
23.211.133.67, 2600:1401:1::43
13
a7-65.akam.net
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: a1-67.akam.net, a11-67.akam.net, a12-67.akam.net, a18-67.akam.net, a22-67.akam.net, a28-67.akam.net, a4-67.akam.net, a6-67.akam.net

Answer: a1-67.akam.net
193.108.91.67, 2600:1401:2::43

Answer: a11-67.akam.net
2600:1480:1::43, 84.53.139.67

Answer: a12-67.akam.net
184.26.160.67, 2600:1480:f000::43

Answer: a18-67.akam.net
2600:1480:4800::43, 95.101.36.67

Answer: a22-67.akam.net
23.211.61.67, 2600:1480:7800::43

Answer: a28-67.akam.net
2600:1480:d800::43, 95.100.173.67

Answer: a4-67.akam.net
2600:1480:9000::43, 72.246.46.67

Answer: a6-67.akam.net
23.211.133.67, 2600:1401:1::43
14
a1-249.akam.net: 193.108.91.249
A
a1-67.akam.net (2600:1401:2::43)
15
a1-249.akam.net: 2600:1401:2::f9
AAAA
a1-67.akam.net (2600:1401:2::43)
16
a12-65.akam.net: 184.26.160.65
A
a1-67.akam.net (2600:1401:2::43)
17
a12-65.akam.net: 2600:1480:f000::41
AAAA
a1-67.akam.net (2600:1401:2::43)
18
a16-64.akam.net: 23.211.132.64
A
a1-67.akam.net (2600:1401:2::43)
19
a16-64.akam.net: 2600:1406:1b::40
AAAA
a1-67.akam.net (2600:1401:2::43)
20
a3-67.akam.net: 96.7.49.67
A
a1-67.akam.net (2600:1401:2::43)
21
a3-67.akam.net: 2600:1408:1c::43
AAAA
a1-67.akam.net (2600:1401:2::43)
22
a4-64.akam.net: 72.246.46.64
A
a1-67.akam.net (2600:1401:2::43)
23
a4-64.akam.net: 2600:1480:9000::40
AAAA
a1-67.akam.net (2600:1401:2::43)
24
a7-65.akam.net: 23.61.199.65
A
a1-67.akam.net (2600:1401:2::43)
25
a7-65.akam.net: 2600:1406:32::41
AAAA
a1-67.akam.net (2600:1401:2::43)
26
ns1.linode.com: 92.123.94.2
A
a1-249.akam.net (2600:1401:2::f9)
27
ns1.linode.com: 2600:14c0:6::2
AAAA
a1-249.akam.net (2600:1401:2::f9)
28
ns2.linode.com: 92.123.94.3
A
a1-249.akam.net (2600:1401:2::f9)
29
ns2.linode.com: 2600:14c0:6::3
AAAA
a1-249.akam.net (2600:1401:2::f9)
30
ns3.linode.com: 92.123.95.3
A
a1-249.akam.net (2600:1401:2::f9)
31
ns3.linode.com: 2600:14c0:7::3
AAAA
a1-249.akam.net (2600:1401:2::f9)
32
ns4.linode.com: 92.123.95.4
A
a1-249.akam.net (2600:1401:2::f9)
33
ns4.linode.com: 2600:14c0:7::4
AAAA
a1-249.akam.net (2600:1401:2::f9)
34
ns5.linode.com: 92.123.95.2
A
a1-249.akam.net (2600:1401:2::f9)
35
ns5.linode.com: 2600:14c0:7::2
AAAA
a1-249.akam.net (2600:1401:2::f9)

 

14. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
api.uta-sedlock.de
0

no CAA entry found
1
0
uta-sedlock.de
0

no CAA entry found
1
0
de
0

no CAA entry found
1
0

 

15. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
uta-sedlock.de

ok
1
0
api.uta-sedlock.de

ok
1
0
_acme-challenge.api.uta-sedlock.de

Name Error - The domain name does not exist
1
0
_acme-challenge.api.uta-sedlock.de.uta-sedlock.de

Name Error - The domain name does not exist
1
0
_acme-challenge.api.uta-sedlock.de.api.uta-sedlock.de

Name Error - The domain name does not exist
1
0

 

16. DomainService - Entries

No DomainServiceEntries entries found

 

 

17. Cipher Suites

Summary
DomainIPPortnum CipherstimeStd.ProtocolForward Secrecy
api.uta-sedlock.de
172.104.137.205
443
3 Ciphers27.89 sec
0 without, 3 FS
100.00 %
Complete

1
3 Ciphers
3.00 Ciphers/Check		27.89 sec27.89 sec/Check
0 without, 3 FS
100.00 %

Details
DomainIPPortCipher (OpenSsl / IANA)
api.uta-sedlock.de
172.104.137.205
443
ECDHE-ECDSA-CHACHA20-POLY1305
 (Recommended)
TLSv1.2
0xCC,0xA9
 FS
3 Ciphers, 27.89 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

DomainIPPortDescriptionResultAnswer
api.uta-sedlock.de
172.104.137.205
21
FTP



api.uta-sedlock.de
172.104.137.205
21
FTP



api.uta-sedlock.de
172.104.137.205
22
SSH
open
SSH-2.0-OpenSSH_9.9

api.uta-sedlock.de
172.104.137.205
22
SSH
open
SSH-2.0-OpenSSH_9.9
Bad: SSH without DNS SSHFP Record found
api.uta-sedlock.de
172.104.137.205
25
SMTP



api.uta-sedlock.de
172.104.137.205
25
SMTP



api.uta-sedlock.de
172.104.137.205
53
DNS



api.uta-sedlock.de
172.104.137.205
53
DNS



api.uta-sedlock.de
172.104.137.205
110
POP3



api.uta-sedlock.de
172.104.137.205
110
POP3



api.uta-sedlock.de
172.104.137.205
143
IMAP



api.uta-sedlock.de
172.104.137.205
143
IMAP



api.uta-sedlock.de
172.104.137.205
465
SMTP (encrypted)



api.uta-sedlock.de
172.104.137.205
465
SMTP (encrypted)



api.uta-sedlock.de
172.104.137.205
587
SMTP (encrypted, submission)



api.uta-sedlock.de
172.104.137.205
587
SMTP (encrypted, submission)



api.uta-sedlock.de
172.104.137.205
993
IMAP (encrypted)



api.uta-sedlock.de
172.104.137.205
993
IMAP (encrypted)



api.uta-sedlock.de
172.104.137.205
995
POP3 (encrypted)



api.uta-sedlock.de
172.104.137.205
995
POP3 (encrypted)



api.uta-sedlock.de
172.104.137.205
1433
MS SQL



api.uta-sedlock.de
172.104.137.205
1433
MS SQL



api.uta-sedlock.de
172.104.137.205
2082
cPanel (http)



api.uta-sedlock.de
172.104.137.205
2082
cPanel (http)



api.uta-sedlock.de
172.104.137.205
2083
cPanel (https)



api.uta-sedlock.de
172.104.137.205
2083
cPanel (https)



api.uta-sedlock.de
172.104.137.205
2086
WHM (http)



api.uta-sedlock.de
172.104.137.205
2086
WHM (http)



api.uta-sedlock.de
172.104.137.205
2087
WHM (https)



api.uta-sedlock.de
172.104.137.205
2087
WHM (https)



api.uta-sedlock.de
172.104.137.205
2089
cPanel Licensing



api.uta-sedlock.de
172.104.137.205
2089
cPanel Licensing



api.uta-sedlock.de
172.104.137.205
2095
cPanel Webmail (http)



api.uta-sedlock.de
172.104.137.205
2095
cPanel Webmail (http)



api.uta-sedlock.de
172.104.137.205
2096
cPanel Webmail (https)



api.uta-sedlock.de
172.104.137.205
2096
cPanel Webmail (https)



api.uta-sedlock.de
172.104.137.205
2222
DirectAdmin (http)



api.uta-sedlock.de
172.104.137.205
2222
DirectAdmin (http)



api.uta-sedlock.de
172.104.137.205
2222
DirectAdmin (https)



api.uta-sedlock.de
172.104.137.205
2222
DirectAdmin (https)



api.uta-sedlock.de
172.104.137.205
3306
mySql



api.uta-sedlock.de
172.104.137.205
3306
mySql



api.uta-sedlock.de
172.104.137.205
5224
Plesk Licensing



api.uta-sedlock.de
172.104.137.205
5224
Plesk Licensing



api.uta-sedlock.de
172.104.137.205
5432
PostgreSQL



api.uta-sedlock.de
172.104.137.205
5432
PostgreSQL



api.uta-sedlock.de
172.104.137.205
8080
Ookla Speedtest (http)



api.uta-sedlock.de
172.104.137.205
8080
Ookla Speedtest (http)



api.uta-sedlock.de
172.104.137.205
8080
Ookla Speedtest (https)



api.uta-sedlock.de
172.104.137.205
8080
Ookla Speedtest (https)



api.uta-sedlock.de
172.104.137.205
8083
VestaCP http



api.uta-sedlock.de
172.104.137.205
8083
VestaCP http



api.uta-sedlock.de
172.104.137.205
8083
VestaCP https



api.uta-sedlock.de
172.104.137.205
8083
VestaCP https



api.uta-sedlock.de
172.104.137.205
8443
Plesk Administration (https)



api.uta-sedlock.de
172.104.137.205
8443
Plesk Administration (https)



api.uta-sedlock.de
172.104.137.205
8447
Plesk Installer + Updates



api.uta-sedlock.de
172.104.137.205
8447
Plesk Installer + Updates



api.uta-sedlock.de
172.104.137.205
8880
Plesk Administration (http)



api.uta-sedlock.de
172.104.137.205
8880
Plesk Administration (http)



api.uta-sedlock.de
172.104.137.205
10000
Webmin (http)



api.uta-sedlock.de
172.104.137.205
10000
Webmin (http)



api.uta-sedlock.de
172.104.137.205
10000
Webmin (https)



api.uta-sedlock.de
172.104.137.205
10000
Webmin (https)



 

 

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