SSL check results of blaha-ysker.de

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Discover if the mail servers for blaha-ysker.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

Report created Sat, 28 Feb 2026 01:32:14 +0000

The mailservers of blaha-ysker.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @blaha-ysker.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.blaha-ysker.de
212.132.107.229
10
supported
blaha-ysker.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s

Outgoing Mails

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

Certificates

First seen at:

CN=blaha-ysker.de

Certificate chain
  • blaha-ysker.de
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption

      • R12
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption

          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption

Subject
Common Name (CN)
  • blaha-ysker.de
Alternative Names
  • *.blaha-ysker.de
  • blaha-ysker.de
  • blahaysker.de
  • www.blahaysker.de
  • www.ysker.de
  • ysker.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R12
validity period
Not valid before
2026-02-13
Not valid after
2026-05-14
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
Fingerprints
SHA256
5D:AC:D2:13:46:22:E9:87:A1:DC:03:31:94:6C:4C:95:42:CB:35:E8:5E:C8:45:F5:32:D1:A9:E3:A4:6C:8D:1E
SHA1
74:8C:EE:ED:59:57:D0:41:E7:62:F2:8D:27:74:00:00:0A:19:16:79
X509v3 extensions
subjectKeyIdentifier
  • 20:21:29:53:01:26:6E:4C:EE:9C:E8:C5:84:D6:E1:F9:B0:1E:FB:8B
authorityKeyIdentifier
  • keyid:00:B5:29:F2:2D:8E:6F:31:E8:9B:4C:AD:78:3E:FA:DC:E9:0C:D1:D2
authorityInfoAccess
  • CA Issuers - URI:http://r12.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r12.c.lencr.org/6.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 64:11:C4:6C:A4:12:EC:A7:89:1C:A2:02:2E:00:BC:AB:
  • 4F:28:07:D4:1E:35:27:AB:EA:FE:D5:03:C9:7D:CD:F0
  • Timestamp : Feb 13 09:38:35.339 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:7A:BB:D7:ED:2A:02:11:DC:95:5B:B7:51:
  • A5:8B:80:BB:83:71:05:1B:17:4F:A8:A9:1A:74:14:DB:
  • F7:79:59:B9:02:20:00:CD:86:BD:22:05:E5:E3:BA:7C:
  • CC:C4:B3:CE:E1:3E:AE:EC:88:72:B3:F8:48:52:44:9E:
  • D6:F4:70:72:0E:93
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : E3:23:8D:F2:8D:A2:88:E0:AA:E0:AC:F0:FA:90:C9:85:
  • F0:B6:BF:F5:D2:A5:27:B0:01:FC:1C:44:58:C4:B6:E8
  • Timestamp : Feb 13 09:38:35.524 2026 GMT
  • Extensions: 00:00:05:00:32:70:F0:22
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:DA:6B:00:8A:3B:C4:D7:EB:EC:C4:3C:
  • 54:53:0F:64:55:15:5C:7A:8C:36:A3:E8:32:6B:2A:26:
  • DD:9F:89:00:01:02:20:57:04:82:21:0C:70:E2:21:A7:
  • 5B:AE:74:14:D8:B5:43:0C:1B:57:5B:C4:E4:C7:EA:79:
  • D4:B4:D0:C6:21:D4:4D