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SSL check results of wittenberg.onl

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Discover if the mail servers for wittenberg.onl can be reached through a secure connection.

To establish a secure connection a mail server has to offer STARTTLS (SSL), a trustworthy SSL certificate, support for the Diffie-Hellman-Algorithm to guarantee Perfect Forward Secrecy and must not be vulnerable against the Heartbleed attack. Futhermore we recommend using end-to-end encryption with GnuPG.

Summary

JSON Refresh

Report created Thu, 01 Aug 2024 18:17:30 +0000

The mailservers of wittenberg.onl can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @wittenberg.onl addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
home.wittenberg.onl
2a01:4f8:1c17:b055:5:75:209:17
 10
supported
*.home.wittenberg.onl
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
9 s
home.wittenberg.onl
5.75.209.17
 10
supported
wittenberg.onl
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
5 s

Outgoing Mails

We have not received any emails from a @wittenberg.onl address so far. Test mail delivery

Certificates

First seen at:

CN=*.home.wittenberg.onl

Certificate chain
  • *.home.wittenberg.onl
    • remaining
    • 384 bit
    • ecdsa-with-SHA384
      • E5
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • *.home.wittenberg.onl
Alternative Names
  • *.home.wittenberg.onl
  • *.wittenberg.onl
  • wittenberg.onl
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E5
validity period
Not valid before
2024-07-09
Not valid after
2024-10-07
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
32:84:19:18:03:EB:94:06:A2:3C:AB:DD:C1:79:BE:B5:94:1C:98:A9:69:7B:42:88:29:99:DE:EE:C3:71:20:CC
SHA1
E1:6C:6B:4A:E0:C0:EE:1F:C6:47:DC:AF:3C:9F:A6:8A:62:2F:B2:58
X509v3 extensions
subjectKeyIdentifier
  • EF:14:09:C6:AA:50:10:57:18:FA:B2:0D:9C:22:48:69:40:6A:99:CB
authorityKeyIdentifier
  • keyid:9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
authorityInfoAccess
  • OCSP - URI:http://e5.o.lencr.org
  • CA Issuers - URI:http://e5.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 3F:17:4B:4F:D7:22:47:58:94:1D:65:1C:84:BE:0D:12:
  • ED:90:37:7F:1F:85:6A:EB:C1:BF:28:85:EC:F8:64:6E
  • Timestamp : Jul 9 06:27:13.621 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:6F:C1:C9:0C:35:C1:76:FD:E3:25:F3:4B:
  • 6F:39:A4:9F:F6:8D:99:27:78:83:CC:94:33:FA:E5:F2:
  • 75:AB:80:9A:02:21:00:AD:BE:1D:37:C7:7F:C2:E8:A1:
  • 6D:6A:EA:64:85:B6:22:8A:13:76:F2:59:D4:61:59:08:
  • DA:D7:01:95:B7:3D:39
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
  • 1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
  • Timestamp : Jul 9 06:27:13.610 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:F5:F1:EC:B3:03:7C:B8:C8:80:38:FF:
  • A2:36:5A:31:97:FD:A7:EB:E4:2F:FA:2A:91:F3:6B:B3:
  • 1D:38:FC:7E:C9:02:21:00:DB:C6:2D:3D:D5:28:C7:36:
  • 0A:0A:67:D4:12:48:BA:07:01:82:B7:B4:6A:E2:EC:BC:
  • 41:26:77:F9:E7:CD:F3:5D
First seen at:

CN=wittenberg.onl

Certificate chain
  • wittenberg.onl
    • remaining
    • 384 bit
    • ecdsa-with-SHA384
      • E6
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • wittenberg.onl
Alternative Names
  • *.home.wittenberg.onl
  • *.wittenberg.onl
  • wittenberg.onl
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E6
validity period
Not valid before
2024-08-01
Not valid after
2024-10-30
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
01:62:0B:C5:53:DE:A3:D5:B8:69:0F:6A:A5:A4:EB:12:1A:53:16:72:21:37:AF:08:99:5F:20:74:8B:3B:AD:A7
SHA1
E6:C3:64:76:8F:56:71:E0:07:0E:6B:7C:41:F4:0A:9D:91:48:23:D4
X509v3 extensions
subjectKeyIdentifier
  • 2A:51:01:AD:61:F1:99:35:6E:BE:19:15:6B:DB:D9:32:43:F9:B7:CC
authorityKeyIdentifier
  • keyid:93:27:46:98:03:A9:51:68:8E:98:D6:C4:42:48:DB:23:BF:58:94:D2
authorityInfoAccess
  • OCSP - URI:http://e6.o.lencr.org
  • CA Issuers - URI:http://e6.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 76:FF:88:3F:0A:B6:FB:95:51:C2:61:CC:F5:87:BA:34:
  • B4:A4:CD:BB:29:DC:68:42:0A:9F:E6:67:4C:5A:3A:74
  • Timestamp : Aug 1 17:59:14.764 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:0D:71:F9:2B:F7:46:07:6D:0D:37:94:53:
  • DF:91:F6:27:35:87:0A:3D:91:0D:88:A4:84:B5:71:79:
  • 99:95:17:73:02:20:1E:4A:39:D0:EB:9C:B3:BB:79:DF:
  • 02:63:F3:BB:1E:C5:E5:E5:A8:4D:38:E8:DF:D6:C9:1A:
  • 7C:77:D5:F3:8F:BA
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DF:E1:56:EB:AA:05:AF:B5:9C:0F:86:71:8D:A8:C0:32:
  • 4E:AE:56:D9:6E:A7:F5:A5:6A:01:D1:C1:3B:BE:52:5C
  • Timestamp : Aug 1 17:59:14.893 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:18:BD:CC:F6:97:32:51:A7:B4:7A:68:35:
  • 11:1A:28:76:99:38:54:4D:D1:B5:08:C0:98:75:3D:B5:
  • 1A:AA:3A:ED:02:21:00:8E:47:D4:38:4F:78:75:EF:C3:
  • 99:85:7F:CE:56:09:DA:30:2E:10:7C:5D:AD:78:E8:DF:
  • 79:3E:23:54:25:62:F4