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SSL check results of webmail.classerver.de

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Discover if the webservers of webmail.classerver.de can be reached through a secure connection.

Summary

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Report created Tue, 26 May 2020 11:20:53 +0000

The webservers of webmail.classerver.de can be reached through a secure connection.

Servers

Hostname / IP address Certificates Protocol
webmail.classerver.de
46.232.249.187
 webmail.classerver.de
HSTS
unexpected EOF
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s
webmail.classerver.de
2a03:4000:2b:6a7:584b:8eff:fed9:ef97
 webmail.classerver.de
HSTS
unexpected EOF
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Certificates

First seen at:

CN=webmail.classerver.de

Certificate chain
Subject
Common Name (CN)
  • webmail.classerver.de
Alternative Names
  • autoconfig.burscheider-bc.de
  • autoconfig.classerver.de
  • autoconfig.emailset.de
  • autoconfig.uhde-buchhaltung.de
  • autodiscover.burscheider-bc.de
  • autodiscover.classerver.de
  • autodiscover.emailset.de
  • autodiscover.uhde-buchhaltung.de
  • webmail.classerver.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-05-01
Not valid after
2020-07-30
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
A1:87:A9:27:74:31:AA:39:C0:9F:FF:8E:0B:62:7A:29:97:E6:08:C0:B5:72:77:D1:C5:36:B8:CC:E9:AF:10:E1
SHA1
EE:2B:30:EA:E3:94:08:E3:9D:56:F9:63:0E:1B:AE:F4:7D:D1:49:A9
X509v3 extensions
subjectKeyIdentifier
  • BF:68:7D:B9:95:79:85:5A:44:9D:6C:A6:6B:87:C4:76:AD:D6:17:45
authorityKeyIdentifier
  • keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
authorityInfoAccess
  • OCSP - URI:http://ocsp.int-x3.letsencrypt.org
  • CA Issuers - URI:http://cert.int-x3.letsencrypt.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : E7:12:F2:B0:37:7E:1A:62:FB:8E:C9:0C:61:84:F1:EA:
  • 7B:37:CB:56:1D:11:26:5B:F3:E0:F3:4B:F2:41:54:6E
  • Timestamp : May 1 21:42:07.725 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:CA:4D:CB:2C:39:99:2A:35:8F:9D:15:
  • E0:FD:C0:5F:8A:82:D7:9E:46:0A:E1:55:04:3E:97:F4:
  • 0E:A2:36:DF:20:02:20:6A:4A:0E:D2:0A:DA:FC:2F:FE:
  • 6B:33:D6:FE:E5:00:76:7C:DC:1B:DC:3A:49:A7:2E:B2:
  • BF:DD:2E:EE:1C:11:3E
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : B2:1E:05:CC:8B:A2:CD:8A:20:4E:87:66:F9:2B:B9:8A:
  • 25:20:67:6B:DA:FA:70:E7:B2:49:53:2D:EF:8B:90:5E
  • Timestamp : May 1 21:42:07.716 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:A4:61:49:5E:3B:1A:C9:D6:C6:E4:5B:
  • CB:10:43:12:D3:63:2A:60:1E:EA:1D:8E:27:D9:42:AD:
  • 1A:EC:09:D1:D6:02:20:37:CC:DD:F1:20:3E:90:34:95:
  • C8:84:07:0B:24:1A:DE:97:DA:FC:AD:AD:8C:B9:E7:77:
  • E4:64:5B:FD:41:3E:65

DANE

DNS-based Authentication of Named Entities (DANE) is a protocol to allow X.509 certificates to be bound to DNS using TLSA records and DNSSEC.

Name Options DNSSEC Matches
_443._tcp.webmail.classerver.de
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
error
Debug
valid