SSL-Tools

SSL check results of doktor-bonk.de

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Discover if the mail servers for doktor-bonk.de 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 Sun, 26 Apr 2026 00:30:24 +0000

The mailservers of doktor-bonk.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @doktor-bonk.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.doktor-bonk.de
82.165.149.217
 10
supported
doktor-bonk.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1 s

Outgoing Mails

We have not received any emails from a @doktor-bonk.de address so far. Test mail delivery

Certificates

First seen at:

CN=doktor-bonk.de

Certificate chain
  • doktor-bonk.de
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R13
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • doktor-bonk.de
Alternative Names
  • doktor-bonk.de
  • mail.doktor-bonk.de
  • webmail.doktor-bonk.de
  • www.doktor-bonk.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R13
validity period
Not valid before
2026-04-23
Not valid after
2026-07-22
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
Fingerprints
SHA256
BA:4A:48:5E:B4:9A:57:CC:46:2A:89:58:2C:66:56:A9:1D:EA:FD:9A:0C:FB:F1:FC:C6:37:89:83:5F:B5:EC:00
SHA1
A0:4C:E1:67:68:C7:EC:21:CE:BC:8E:4E:9D:24:8E:1A:A5:17:89:D5
X509v3 extensions
subjectKeyIdentifier
  • FB:C9:C1:CA:09:8C:DA:6A:84:DC:00:E2:BE:BE:6F:3D:4E:19:B5:2B
authorityKeyIdentifier
  • keyid:E7:AB:9F:0F:2C:33:A0:53:D3:5E:4F:78:C8:B2:84:0E:3B:D6:92:33
authorityInfoAccess
  • CA Issuers - URI:http://r13.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r13.c.lencr.org/65.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0:
  • D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F
  • Timestamp : Apr 23 19:14:16.730 2026 GMT
  • Extensions: 00:00:05:00:04:AE:FD:80
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:47:24:3B:59:DE:C1:01:C7:A3:A7:59:DA:
  • 44:E3:E6:0F:7E:08:D2:2F:0E:0F:9A:7C:48:92:DF:E8:
  • 09:68:F8:F0:02:21:00:F6:EC:DD:53:DA:3C:F2:2F:E7:
  • E3:B8:F6:AC:63:EF:8A:A1:12:B6:92:5B:6B:43:BE:4D:
  • 6E:DB:13:47:20:8B:C9
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB:
  • 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A
  • Timestamp : Apr 23 19:14:16.782 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:47:67:5D:0A:47:DD:17:68:B7:E0:27:C1:
  • 02:95:B5:F2:C3:C5:A9:5A:E6:54:2A:7F:F8:70:CE:B2:
  • C9:5E:BB:95:02:20:77:73:6D:97:EB:5E:F1:F1:D8:EE:
  • 9B:DD:87:A8:57:A4:FE:0E:9E:09:D1:FC:B2:69:B2:00:
  • E4:8A:7C:95:79:7A