SSL-Tools

SSL check results of bomze.ch

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Discover if the mail servers for bomze.ch 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

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Report created Wed, 03 Jun 2026 10:49:34 +0000

The mailservers of bomze.ch can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @bomze.ch addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mailc.bomze.de
128.140.38.51
 0
supported
mailc.bomze.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
7 s

Outgoing Mails

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

Certificates

First seen at:

CN=mailc.bomze.de

Certificate chain
  • mailc.bomze.de
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
      • R13
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mailc.bomze.de
Alternative Names
  • autoconfig.bomze.ch
  • autoconfig.bomze.de
  • autoconfig.lisicka.de
  • autodiscover.bomze.ch
  • autodiscover.bomze.de
  • autodiscover.lisicka.de
  • mailc.bomze.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R13
validity period
Not valid before
2026-04-19
Not valid after
2026-07-18
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
Fingerprints
SHA256
08:BC:28:4F:33:1C:4A:FD:DB:9D:D1:83:61:1C:E7:90:CC:39:92:F4:37:CD:BD:E5:9C:D4:50:66:C4:44:57:2B
SHA1
21:95:59:53:2C:F0:91:F4:5F:F6:AA:B7:EB:80:D8:E0:16:59:9D:4D
X509v3 extensions
subjectKeyIdentifier
  • C1:2B:37:21:EA:81:5E:43:AB:D0:51:50:5E:AF:D1:6B:1A:3B:57:44
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/108.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D:
  • E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A
  • Timestamp : Apr 19 02:10:05.352 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:90:2A:F4:3B:AC:66:1B:FE:07:DB:A9:
  • BE:1A:F5:F4:0D:C0:ED:4D:88:31:DD:F7:A1:26:2C:FD:
  • 26:A9:3F:88:F4:02:21:00:FE:94:08:95:8E:E8:A2:6A:
  • A0:61:4F:65:3B:4D:42:51:36:B5:5A:07:99:A4:D6:2A:
  • D1:E2:2D:18:B0:24:F2:0C
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 1A:8B:9D:6B:0F:FE:BF:81:B4:79:39:C6:D2:31:0A:86:
  • D6:D1:02:D4:F0:46:E2:18:2C:9D:E3:5F:5E:26:25:EF
  • Timestamp : Apr 19 02:10:05.701 2026 GMT
  • Extensions: 00:00:05:00:0A:45:A8:56
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:11:FE:E6:6F:90:87:D5:2B:E8:DF:BC:42:
  • 61:07:72:B7:65:3F:B2:DB:F9:29:A9:B6:F5:62:85:DE:
  • 0C:23:26:7B:02:21:00:E9:C8:19:A1:28:D4:7C:7A:14:
  • 31:D8:17:A2:65:0E:C5:4E:12:0F:55:21:19:09:C1:08:
  • 81:92:2D:8A:76:1C:AA