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


Update: 2020-03-04 - now 90 days later. All affected Letsencrypt certificates should be renewed. Time to remove that Info.




H

Http as Destination - no encryption

Checked:
26.02.2020 23:54:21


Older results

No older results found


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
webmail.perera.dk
A
5.189.136.249
Nuremberg/Bavaria/Germany (DE) - Contabo GmbH
Hostname: james.c-online.dk
yes
1
0

AAAA
2a02:c207:2006:9867::1
Munich/Bavaria/Germany (DE) - Contabo GmbH

yes


www.webmail.perera.dk

Name Error
yes
1
0


2. DNSSEC

Zone (*)DNSSEC - Informations

Zone: (root)
(root)
1 DS RR published



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 33853, Flags 256



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 12.03.2020, 00:00:00, Signature-Inception: 20.02.2020, 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: dk
dk
1 DS RR in the parent zone found



1 RRSIG RR to validate DS RR found



Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 10.03.2020, 17:00:00, Signature-Inception: 26.02.2020, 16:00:00, KeyTag 33853, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 33853 used to validate the DS RRSet in the parent zone



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 24435, Flags 256



Public Key with Algorithm 8, KeyTag 32195, Flags 257 (SEP = Secure Entry Point)



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 22.03.2020, 11:06:02, Signature-Inception: 23.02.2020, 09:36:02, KeyTag 32195, Signer-Name: dk



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 32195 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 32195, DigestType 2 and Digest "FnyzZSBI9HgiLpWNHK2QfX7LKOelRd4BuFka0p6sZEQ=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: perera.dk
perera.dk
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 "p491g2tk99nd28kgteh584a3aigqirkc" between the hashed NSEC3-owner "p48pnhadpd9gpv23p9svbrpvrr75k8k3" and the hashed NextOwner "p49dil51notsi1dce32186bhqk3tc423". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG Algorithm: 8, 2 Labels, original TTL: 300 sec, Signature-expiration: 21.03.2020, 13:46:02, Signature-Inception: 22.02.2020, 12:16:02, KeyTag 24435, Signer-Name: dk



0 DNSKEY RR found




Zone: webmail.perera.dk
webmail.perera.dk
0 DS RR in the parent zone found



0 DNSKEY RR found




Zone: www.webmail.perera.dk
www.webmail.perera.dk
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.webmail.perera.dk
  ns1.gratisdns.dk

webmail.perera.dk
  ns1.gratisdns.dk
217.61.111.93
Frankfurt am Main/Hesse/Germany (DE) - Aruba GmbH Cloud Network DC05

perera.dk
T  ns1.gratisdns.dk


  ns2.gratisdns.dk


  ns3.gratisdns.dk


  ns4.gratisdns.dk

dk
  a.nic.dk


  b.nic.dk


  c.nic.dk / LHR1


  l.nic.dk / l.nic.dk


  p.nic.dk / 3.fra.pch


  s.nic.dk / ns-ext1a.sidn.nl


4. SOA-Entries


Domain:dk
Zone-Name:
Primary:b.nic.dk
Mail:tech.dk-hostmaster.dk
Serial:1582757402
Refresh:600
Retry:300
Expire:1814400
TTL:300
num Entries:1


Domain:dk
Zone-Name:
Primary:b.nic.dk
Mail:tech.dk-hostmaster.dk
Serial:1582757521
Refresh:600
Retry:300
Expire:1814400
TTL:300
num Entries:5


Domain:perera.dk
Zone-Name:
Primary:ns1.gratisdns.dk
Mail:hostmaster.gratisdns.dk
Serial:2019100601
Refresh:14400
Retry:3600
Expire:2419000
TTL:43200
num Entries:4


Domain:webmail.perera.dk
Zone-Name:
Primary:ns1.gratisdns.dk
Mail:hostmaster.gratisdns.dk
Serial:2019100601
Refresh:14400
Retry:3600
Expire:2419000
TTL:43200
num Entries:1


Domain:www.webmail.perera.dk
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


5. Screenshots

Startaddress: https://webmail.perera.dk, address used: https://webmail.perera.dk/SOGo/, Screenshot created 2020-02-26 23:55:28 +00:0

Mobil (412px x 732px)

708 milliseconds

Screenshot mobile - https://webmail.perera.dk/SOGo/
Mobil + Landscape (732px x 412px)

704 milliseconds

Screenshot mobile landscape - https://webmail.perera.dk/SOGo/
Screen (1280px x 1680px)

999 milliseconds

Screenshot Desktop - https://webmail.perera.dk/SOGo/

Mobile- and other Chrome-Checks

widthheight
visual Viewport412732
content Size412732

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

Chrome-Connection: secure. secure connection settings. The connection to this site is encrypted and authenticated using TLS 1.2, ECDHE_RSA with P-256, and AES_128_GCM.

Chrome-Resources : secure. all served securely. All resources on this page are served securely.

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://webmail.perera.dk/
5.189.136.249 GZip used - 96 / 98 - 2.04 %
200

Html is minified: 124.05 %
0.067
H
small visible content (num chars: 0)
Date: Wed, 26 Feb 2020 22:54:43 GMT
Server: Apache
Last-Modified: Mon, 18 Apr 2016 13:18:59 GMT
ETag: "62-530c2341eaf02-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 96
Connection: close
Content-Type: text/html

• http://webmail.perera.dk/
2a02:c207:2006:9867::1 GZip used - 96 / 98 - 2.04 %
200

Html is minified: 124.05 %
0.067
H
small visible content (num chars: 0)
Date: Wed, 26 Feb 2020 22:54:43 GMT
Server: Apache
Last-Modified: Mon, 18 Apr 2016 13:18:59 GMT
ETag: "62-530c2341eaf02-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 96
Connection: close
Content-Type: text/html

• https://webmail.perera.dk/
5.189.136.249 GZip used - 96 / 98 - 2.04 %
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
200

Html is minified: 124.05 %
3.660
A
small visible content (num chars: 0)
Date: Wed, 26 Feb 2020 22:54:43 GMT
Server: Apache
Strict-Transport-Security: max-age=15768000
Last-Modified: Mon, 18 Apr 2016 13:18:59 GMT
ETag: "62-530c2341eaf02-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 96
Connection: close
Content-Type: text/html

• https://webmail.perera.dk/
2a02:c207:2006:9867::1 GZip used - 96 / 98 - 2.04 %
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
200

Html is minified: 124.05 %
3.433
A
small visible content (num chars: 0)
Date: Wed, 26 Feb 2020 22:54:47 GMT
Server: Apache
Strict-Transport-Security: max-age=15768000
Last-Modified: Mon, 18 Apr 2016 13:18:59 GMT
ETag: "62-530c2341eaf02-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 96
Connection: close
Content-Type: text/html

• http://webmail.perera.dk/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
5.189.136.249
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 100.00 %
0.066
A
Not Found
Visible Content: Not Found The requested URL /.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de was not found on this server. Apache Server at webmail.perera.dk Port 80
Date: Wed, 26 Feb 2020 22:54:51 GMT
Server: Apache
Content-Length: 334
Connection: close
Content-Type: text/html; charset=iso-8859-1

• http://webmail.perera.dk/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
2a02:c207:2006:9867::1
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 100.00 %
0.060
A
Not Found
Visible Content: Not Found The requested URL /.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de was not found on this server. Apache Server at webmail.perera.dk Port 80
Date: Wed, 26 Feb 2020 22:54:51 GMT
Server: Apache
Content-Length: 334
Connection: close
Content-Type: text/html; charset=iso-8859-1

7. Comments


1. General Results, most used to calculate the result

Aname "webmail.perera.dk" is subdomain, public suffix is "dk", top-level-domain-type is "country-code", Country is Denmark, tld-manager is "Dansk Internet Forum"
Agood: All ip addresses are public addresses
Agood: No asked Authoritative Name Server had a timeout
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
Agood: one preferred version: non-www is preferred
Agood: every https has a Strict Transport Security Header
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):2 complete Content-Type - header (6 urls)
http://webmail.perera.dk/ 5.189.136.249


Url with incomplete Content-Type - header - missing charset
http://webmail.perera.dk/ 2a02:c207:2006:9867::1


Url with incomplete Content-Type - header - missing charset
https://webmail.perera.dk/ 5.189.136.249


Url with incomplete Content-Type - header - missing charset
https://webmail.perera.dk/ 2a02:c207:2006:9867::1


Url with incomplete Content-Type - header - missing charset
Bwarning: HSTS max-age is too short - minimum 31536000 = 365 days required, 15768000 seconds = 182 days found
CError - more then one version with Http-Status 200. After all redirects, all users (and search engines) should see the same https url: Non-www or www, but not both with http status 200.
HFatal error: http result with http-status 200, no encryption. Add a redirect http ⇒ https, so every connection is secure. Perhaps in your port 80 vHost something like "RewriteEngine on" + "RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,QSA,R=permanent]" (two rows, without the "). Don't add this in your port 443 vHost, that would create a loop.
Nwebmail.perera.dk:993


Error - Certificate isn't trusted, RemoteCertificateNameMismatch, RemoteCertificateChainErrors
Nwebmail.perera.dk:995


Error - Certificate isn't trusted, RemoteCertificateNameMismatch, RemoteCertificateChainErrors
N5.189.136.249:993


Error - Certificate isn't trusted, RemoteCertificateNameMismatch, RemoteCertificateChainErrors
N5.189.136.249:995


Error - Certificate isn't trusted, RemoteCertificateNameMismatch, RemoteCertificateChainErrors

2. DNS- and NameServer - Checks

AGood: Nameserver supports TCP connections: 1 good Nameserver
AGood: Nameserver supports Echo Capitalization: 1 good Nameserver
XNameserver Timeout checking Echo Capitalization: ns1.gratisdns.dk
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 1 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 1 good Nameserver
Nameserver doesn't pass all EDNS-Checks: ns1.gratisdns.dk: 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
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.

3. 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 supports GZip.
AGood: No https + http status 200 with inline CSS / JavaScript found
AGood: Every https result with status 200 has a minified Html-Content with a quota lower then 110 %.
https://webmail.perera.dk/ 5.189.136.249
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.
https://webmail.perera.dk/ 2a02:c207:2006:9867::1
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.
https://webmail.perera.dk/ 5.189.136.249
200

Warning: Https connections (Standard Port 443) found without support of the http/2 protocol via ALPN. Http/2 is the new Http-Version (old: http 1.1) with some important new features. Update your server software so http/2 is available. Only one TCP-connection per Server (that's a performance boost), Header-Compression and Server Pushs are available. Domain Sharding and Inline-CSS/Javascript shouldn't used with http/2.
https://webmail.perera.dk/ 2a02:c207:2006:9867::1
200

Warning: Https connections (Standard Port 443) found without support of the http/2 protocol via ALPN. Http/2 is the new Http-Version (old: http 1.1) with some important new features. Update your server software so http/2 is available. Only one TCP-connection per Server (that's a performance boost), Header-Compression and Server Pushs are available. Domain Sharding and Inline-CSS/Javascript shouldn't used with http/2.
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: 71577 milliseconds, 71.577 seconds


8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
webmail.perera.dk
5.189.136.249
443
ok
Tls12
ECDH Ephermal
256
Aes128
128
Sha256
error checking OCSP stapling
ok
webmail.perera.dk
5.189.136.249
443
ok
Tls12

ECDH Ephermal
256
Aes128
128
Sha256
error checking OCSP stapling
ok
no http/2 via ALPN 
Tls.1.2
Tls.1.1
Tls.1.0
no http/2 via ALPN
Tls.1.2
Tls.1.1
Tls.1.0
Chain (complete)
1CN=webmail.perera.dk

2CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US


webmail.perera.dk
2a02:c207:2006:9867::1
443
ok
Tls12
ECDH Ephermal
256
Aes128
128
Sha256
error checking OCSP stapling
ok

webmail.perera.dk
2a02:c207:2006:9867::1
443
ok
Tls12

ECDH Ephermal
256
Aes128
128
Sha256
error checking OCSP stapling
ok
no http/2 via ALPN 
Tls.1.2
Tls.1.1
Tls.1.0
no http/2 via ALPN
Tls.1.2
Tls.1.1
Tls.1.0
Chain (complete)
1CN=webmail.perera.dk

2CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US


webmail.perera.dk
webmail.perera.dk
993
Certificate/chain invalid and wrong name
Tls12
ECDH Ephermal
384
Aes128
128
Sha256
error checking OCSP stapling
ok

webmail.perera.dk
webmail.perera.dk
993
Certificate/chain invalid and wrong name
Tls12

ECDH Ephermal
384
Aes128
128
Sha256
error checking OCSP stapling
ok
 
Tls.1.2
Tls.1.1
Tls.1.0

Tls.1.2
Tls.1.1
Tls.1.0
Self signed certificate
1CN=james.c-online.dk, OU=IT, O=james.c-online.dk, L=ShenZhen, C=CN, emailAddress=root@james.c-online.dk


webmail.perera.dk
webmail.perera.dk
995
Certificate/chain invalid and wrong name
Tls12
ECDH Ephermal
384
Aes128
128
Sha256
error checking OCSP stapling
ok

webmail.perera.dk
webmail.perera.dk
995
Certificate/chain invalid and wrong name
Tls12

ECDH Ephermal
384
Aes128
128
Sha256
error checking OCSP stapling
ok
 
Tls.1.2
Tls.1.1
Tls.1.0

Tls.1.2
Tls.1.1
Tls.1.0
Self signed certificate
1CN=james.c-online.dk, OU=IT, O=james.c-online.dk, L=ShenZhen, C=CN, emailAddress=root@james.c-online.dk


5.189.136.249
5.189.136.249
993
Certificate/chain invalid and wrong name
Tls12
ECDH Ephermal
384
Aes128
128
Sha256
error checking OCSP stapling
ok

5.189.136.249
5.189.136.249
993
Certificate/chain invalid and wrong name
Tls12

ECDH Ephermal
384
Aes128
128
Sha256
error checking OCSP stapling
ok
 
Tls.1.2
Tls.1.1
Tls.1.0

Tls.1.2
Tls.1.1
Tls.1.0
Self signed certificate
1CN=james.c-online.dk, OU=IT, O=james.c-online.dk, L=ShenZhen, C=CN, emailAddress=root@james.c-online.dk


5.189.136.249
5.189.136.249
995
Certificate/chain invalid and wrong name
Tls12
ECDH Ephermal
384
Aes128
128
Sha256
error checking OCSP stapling
ok

5.189.136.249
5.189.136.249
995
Certificate/chain invalid and wrong name
Tls12

ECDH Ephermal
384
Aes128
128
Sha256
error checking OCSP stapling
ok
 
Tls.1.2
Tls.1.1
Tls.1.0

Tls.1.2
Tls.1.1
Tls.1.0
Self signed certificate
1CN=james.c-online.dk, OU=IT, O=james.c-online.dk, L=ShenZhen, C=CN, emailAddress=root@james.c-online.dk


9. Certificates

1.
1.
CN=webmail.perera.dk
27.01.2020
26.04.2020
39 days expired
webmail.perera.dk - 1 entry
1.
1.
CN=webmail.perera.dk
27.01.2020

26.04.2020
39 days expired
webmail.perera.dk - 1 entry

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0388D1BDA2F9E36BF2B16D4317626161E1A6
Thumbprint:5C5778C107DB70540988222888DE329D505E3B2E
SHA256 / Certificate:Ce992yURVgO9nBF3p9HcRjoHMBd+0msU5+ZbxzlH0pI=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):df5a4741fefaf017940b7dd159848d1222a6eaf52c3181dcb47dc4df2cbb27f4
SHA256 hex / Subject Public Key Information (SPKI):c033a042d79e44fe407457e5c41c1e62b7cfc0cecefdfc4757624b62b5578803
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:http://ocsp.int-x3.letsencrypt.org
OCSP - must staple:no
Certificate Transparency:yes


2.
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
17.03.2016
17.03.2021
expires in 286 days


2.
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
17.03.2016

17.03.2021
expires in 286 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0A0141420000015385736A0B85ECA708
Thumbprint:E6A3B45B062D509B3382282D196EFE97D5956CCB
SHA256 / Certificate:JYR9Zo608E/dQLErawdAxWfafQJDCOtsLJb+QdneIY0=
SHA256 hex / Cert (DANE * 0 1):25847d668eb4f04fdd40b12b6b0740c567da7d024308eb6c2c96fe41d9de218d
SHA256 hex / PublicKey (DANE * 1 1):60b87575447dcba2a36b7d11ac09fb24a9db406fee12d2cc90180517616e8a18
SHA256 hex / Subject Public Key Information (SPKI):cbb93d32de628874a3ecfb92affadc97f1b795f84cc6f24221a089dee1aa25ad
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:http://isrg.trustid.ocsp.identrust.com
OCSP - must staple:no
Certificate Transparency:no


3.
CN=DST Root CA X3, O=Digital Signature Trust Co.
30.09.2000
30.09.2021
expires in 483 days


3.
CN=DST Root CA X3, O=Digital Signature Trust Co.
30.09.2000

30.09.2021
expires in 483 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA-1 with RSA Encryption
Serial Number:44AFB080D6A327BA893039862EF8406B
Thumbprint:DAC9024F54D8F6DF94935FB1732638CA6AD77C13
SHA256 / Certificate:BocmAzGnJAPZCfEF5pvPDTLhvSST/8bZIG0RvNZ3Bzk=
SHA256 hex / Cert (DANE * 0 1):0687260331a72403d909f105e69bcf0d32e1bd2493ffc6d9206d11bcd6770739
SHA256 hex / PublicKey (DANE * 1 1):563b3caf8cfef34c2335caf560a7a95906e8488462eb75ac59784830df9e5b2b
SHA256 hex / Subject Public Key Information (SPKI):29cc40db5e2de462a311cbbafaa1dc466960002335ecdf3317f2cd05c1d0bedf
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no


2.
1.
E=root@james.c-online.dk, CN=james.c-online.dk, OU=IT, O=james.c-online.dk, L=ShenZhen, S=GuangDong, C=CN
13.04.2016
11.04.2026
expires in 2137 days

2.
1.
E=root@james.c-online.dk, CN=james.c-online.dk, OU=IT, O=james.c-online.dk, L=ShenZhen, S=GuangDong, C=CN
13.04.2016

11.04.2026
expires in 2137 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0095FFE839EAB4514C
Thumbprint:35DAAE4CB3377A7ACD9E864A17F405803C591CB9
SHA256 / Certificate:JoG6ESwf6DOOD/dP0GWiZWbYcZuuHDFCy62HETF41kc=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):eb7cfd3c1aadccd957df229343a23af715bece7dd4d7616d2d47c27ebd473b4f
SHA256 hex / Subject Public Key Information (SPKI):7f7300f9255dcc549617a65144c46be89be5330ebeba0e11da7a58d90563314e
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no

UntrustedRoot: A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.


10. Last Certificates - Certificate Transparency Log Check

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

Issuerlast 7 daysactivenum Certs
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0
0
1

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
1390703867
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-01-27 00:39:02
2020-04-26 00:39:02
webmail.perera.dk - 1 entries



2. Source crt.sh - old and new certificates, sometimes very slow - only certificates with "not after" > 2019 are listed

Issuerlast 7 daysactivenum Certs
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0 /0 new
0
2

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
2403279418
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-01-26 23:39:02
2020-04-25 22:39:02
webmail.perera.dk
1 entries


2156860369
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-24 23:40:23
2020-02-22 23:40:23
webmail.perera.dk
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://webmail.perera.dk/
5.189.136.249
meta
other
1

0


0
0
0

https://webmail.perera.dk/
2a02:c207:2006:9867::1
meta
other
1

0


0
0
0

Details

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsgStatus
https://webmail.perera.dk/
5.189.136.249
meta
REFRESH
0; url=/SOGo/


1
ok







2a02:c207:2006:9867::1
meta
REFRESH
0; url=/SOGo/


1
ok








12. Nameserver - IP-Adresses (alpha)

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers:

No NameServer - IP address informations found. The feature is new (2020-05-07), so recheck this domain.


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
webmail.perera.dk
0

no CAA entry found
1
0
perera.dk
0

no CAA entry found
1
0
dk
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
perera.dk
v=spf1 a mx ip4:5.189.136.249 ip6:2a02:c207:2006:9867::1 ip6:2a02:c207:2006:9867:0000:0000:0000:0001 -all
ok
1
0
webmail.perera.dk

ok
1
0
_acme-challenge.webmail.perera.dk

Name Error - The domain name does not exist
1
0
_acme-challenge.webmail.perera.dk.perera.dk
v=spf1 a mx ip4:5.189.136.249 ip6:2a02:c207:2006:9867::1 ip6:2a02:c207:2006:9867:0000:0000:0000:0001 -all
perhaps wrong
1
0
_acme-challenge.webmail.perera.dk.webmail.perera.dk

Name Error - The domain name does not exist
1
0


15. Portchecks

Domain or IPPortDescriptionResultAnswer
webmail.perera.dk
21
FTP



webmail.perera.dk
21
FTP



webmail.perera.dk
22
SSH
open
SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.11

webmail.perera.dk
22
SSH
open
SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.11

webmail.perera.dk
25
SMTP
open
220 james.c-online.dk ESMTP Postfix

webmail.perera.dk
25
SMTP
open
220 james.c-online.dk ESMTP Postfix

webmail.perera.dk
53
DNS



webmail.perera.dk
53
DNS



webmail.perera.dk
110
POP3
open
+OK Dovecot (Ubuntu) ready.

webmail.perera.dk
110
POP3
open
+OK Dovecot (Ubuntu) ready.

webmail.perera.dk
143
IMAP
open
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS LOGINDISABLED] Dovecot (Ubuntu) ready.

webmail.perera.dk
143
IMAP
open
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS LOGINDISABLED] Dovecot (Ubuntu) ready.

webmail.perera.dk
465
SMTP (encrypted)



webmail.perera.dk
465
SMTP (encrypted)



webmail.perera.dk
587
SMTP (encrypted, submission)
open
220 james.c-online.dk ESMTP Postfix

webmail.perera.dk
587
SMTP (encrypted, submission)
open
220 james.c-online.dk ESMTP Postfix

webmail.perera.dk
993
IMAP (encrypted)
open
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE AUTH=PLAIN AUTH=LOGIN] Dovecot (Ubuntu) ready.
Mail certificate is invalid
webmail.perera.dk
993
IMAP (encrypted)
open
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE AUTH=PLAIN AUTH=LOGIN] Dovecot (Ubuntu) ready.
Mail certificate is invalid
webmail.perera.dk
995
POP3 (encrypted)
open
+OK Dovecot (Ubuntu) ready.
Mail certificate is invalid
webmail.perera.dk
995
POP3 (encrypted)
open
+OK Dovecot (Ubuntu) ready.
Mail certificate is invalid
webmail.perera.dk
1433
MS SQL



webmail.perera.dk
1433
MS SQL



webmail.perera.dk
2082
cPanel (http)



webmail.perera.dk
2082
cPanel (http)



webmail.perera.dk
2083
cPanel (https)



webmail.perera.dk
2083
cPanel (https)



webmail.perera.dk
2086
WHM (http)



webmail.perera.dk
2086
WHM (http)



webmail.perera.dk
2087
WHM (https)



webmail.perera.dk
2087
WHM (https)



webmail.perera.dk
2089
cPanel Licensing



webmail.perera.dk
2089
cPanel Licensing



webmail.perera.dk
2095
cPanel Webmail (http)



webmail.perera.dk
2095
cPanel Webmail (http)



webmail.perera.dk
2096
cPanel Webmail (https)



webmail.perera.dk
2096
cPanel Webmail (https)



webmail.perera.dk
2222
DirectAdmin (http)



webmail.perera.dk
2222
DirectAdmin (http)



webmail.perera.dk
2222
DirectAdmin (https)



webmail.perera.dk
2222
DirectAdmin (https)



webmail.perera.dk
3306
mySql



webmail.perera.dk
3306
mySql



webmail.perera.dk
5224
Plesk Licensing



webmail.perera.dk
5224
Plesk Licensing



webmail.perera.dk
5432
PostgreSQL



webmail.perera.dk
5432
PostgreSQL



webmail.perera.dk
8080
Ookla Speedtest (http)



webmail.perera.dk
8080
Ookla Speedtest (http)



webmail.perera.dk
8080
Ookla Speedtest (https)



webmail.perera.dk
8080
Ookla Speedtest (https)



webmail.perera.dk
8083
VestaCP http



webmail.perera.dk
8083
VestaCP http



webmail.perera.dk
8083
VestaCP https



webmail.perera.dk
8083
VestaCP https



webmail.perera.dk
8443
Plesk Administration (https)



webmail.perera.dk
8443
Plesk Administration (https)



webmail.perera.dk
8447
Plesk Installer + Updates



webmail.perera.dk
8447
Plesk Installer + Updates



webmail.perera.dk
8880
Plesk Administration (http)



webmail.perera.dk
8880
Plesk Administration (http)



webmail.perera.dk
10000
Webmin (http)



webmail.perera.dk
10000
Webmin (http)



webmail.perera.dk
10000
Webmin (https)



webmail.perera.dk
10000
Webmin (https)



5.189.136.249
21
FTP



5.189.136.249
21
FTP



5.189.136.249
22
SSH
open
SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.11

5.189.136.249
22
SSH
open
SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.11

5.189.136.249
25
SMTP
open
220 james.c-online.dk ESMTP Postfix

5.189.136.249
25
SMTP
open
220 james.c-online.dk ESMTP Postfix

5.189.136.249
53
DNS



5.189.136.249
53
DNS



5.189.136.249
110
POP3
open
+OK Dovecot (Ubuntu) ready.

5.189.136.249
110
POP3
open
+OK Dovecot (Ubuntu) ready.

5.189.136.249
143
IMAP
open
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS LOGINDISABLED] Dovecot (Ubuntu) ready.

5.189.136.249
143
IMAP
open
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS LOGINDISABLED] Dovecot (Ubuntu) ready.

5.189.136.249
465
SMTP (encrypted)



5.189.136.249
465
SMTP (encrypted)



5.189.136.249
587
SMTP (encrypted, submission)
open
220 james.c-online.dk ESMTP Postfix

5.189.136.249
587
SMTP (encrypted, submission)
open
220 james.c-online.dk ESMTP Postfix

5.189.136.249
993
IMAP (encrypted)
open
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE AUTH=PLAIN AUTH=LOGIN] Dovecot (Ubuntu) ready.
Mail certificate is invalid
5.189.136.249
993
IMAP (encrypted)
open
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE AUTH=PLAIN AUTH=LOGIN] Dovecot (Ubuntu) ready.
Mail certificate is invalid
5.189.136.249
995
POP3 (encrypted)
open
+OK Dovecot (Ubuntu) ready.
Mail certificate is invalid
5.189.136.249
995
POP3 (encrypted)
open
+OK Dovecot (Ubuntu) ready.
Mail certificate is invalid
5.189.136.249
1433
MS SQL



5.189.136.249
1433
MS SQL



5.189.136.249
2082
cPanel (http)



5.189.136.249
2082
cPanel (http)



5.189.136.249
2083
cPanel (https)



5.189.136.249
2083
cPanel (https)



5.189.136.249
2086
WHM (http)



5.189.136.249
2086
WHM (http)



5.189.136.249
2087
WHM (https)



5.189.136.249
2087
WHM (https)



5.189.136.249
2089
cPanel Licensing



5.189.136.249
2089
cPanel Licensing



5.189.136.249
2095
cPanel Webmail (http)



5.189.136.249
2095
cPanel Webmail (http)



5.189.136.249
2096
cPanel Webmail (https)



5.189.136.249
2096
cPanel Webmail (https)



5.189.136.249
2222
DirectAdmin (http)



5.189.136.249
2222
DirectAdmin (http)



5.189.136.249
2222
DirectAdmin (https)



5.189.136.249
2222
DirectAdmin (https)



5.189.136.249
3306
mySql



5.189.136.249
3306
mySql



5.189.136.249
5224
Plesk Licensing



5.189.136.249
5224
Plesk Licensing



5.189.136.249
5432
PostgreSQL



5.189.136.249
5432
PostgreSQL



5.189.136.249
8080
Ookla Speedtest (http)



5.189.136.249
8080
Ookla Speedtest (http)



5.189.136.249
8080
Ookla Speedtest (https)



5.189.136.249
8080
Ookla Speedtest (https)



5.189.136.249
8083
VestaCP http



5.189.136.249
8083
VestaCP http



5.189.136.249
8083
VestaCP https



5.189.136.249
8083
VestaCP https



5.189.136.249
8443
Plesk Administration (https)



5.189.136.249
8443
Plesk Administration (https)



5.189.136.249
8447
Plesk Installer + Updates



5.189.136.249
8447
Plesk Installer + Updates



5.189.136.249
8880
Plesk Administration (http)



5.189.136.249
8880
Plesk Administration (http)



5.189.136.249
10000
Webmin (http)



5.189.136.249
10000
Webmin (http)



5.189.136.249
10000
Webmin (https)



5.189.136.249
10000
Webmin (https)





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