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SSL check results of drehtuer.net

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Discover if the mail servers for drehtuer.net 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, 03 Aug 2025 01:22:18 +0000

The mailservers of drehtuer.net can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @drehtuer.net addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
drehtuer.net
88.198.12.17
 10
supported
carcosa.drehtuer.net
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 @drehtuer.net address so far. Test mail delivery

Certificates

First seen at:

CN=carcosa.drehtuer.net

Certificate chain
  • carcosa.drehtuer.net
    • 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)
  • carcosa.drehtuer.net
Alternative Names
  • carcosa.drehtuer.net
  • drehtuer.net
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E5
validity period
Not valid before
2025-08-02
Not valid after
2025-10-31
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
3D:D3:56:9F:EE:68:86:17:F8:63:FC:76:27:C8:9A:9A:3F:B0:4A:3F:E6:2E:B7:F8:A5:C2:41:A6:76:C7:F3:61
SHA1
C8:A9:BC:7E:02:67:C4:46:5A:71:BC:15:37:45:56:BC:21:96:C9:B6
X509v3 extensions
subjectKeyIdentifier
  • 98:0C:43:43:74:FC:69:CC:83:4D:41:62:89:CD:3A:C4:8C:95:25:21
authorityKeyIdentifier
  • keyid:9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
authorityInfoAccess
  • CA Issuers - URI:http://e5.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e5.c.lencr.org/122.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 1A:04:FF:49:D0:54:1D:40:AF:F6:A0:C3:BF:F1:D8:C4:
  • 67:2F:4E:EC:EE:23:40:68:98:6B:17:40:2E:DC:89:7D
  • Timestamp : Aug 2 21:58:34.956 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:77:D3:B8:D0:E5:46:89:AD:9C:EC:25:09:
  • 41:FB:88:A0:97:2F:6C:0F:41:DD:B4:72:E2:7D:A9:59:
  • 4D:C7:AD:59:02:21:00:DE:F1:E6:F9:6B:45:5B:8A:95:
  • 7B:82:EF:FA:A0:38:FB:01:C6:E8:FB:8D:B0:B3:A3:BB:
  • 96:57:E7:F8:48:5A:7D
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
  • 3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
  • Timestamp : Aug 2 21:58:34.991 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:91:BE:50:B2:EF:31:B8:46:D9:AA:A5:
  • CA:5D:8C:01:30:FB:4A:60:DF:F9:98:4A:F3:3F:1E:99:
  • 1F:B6:42:A1:08:02:21:00:FC:FE:0D:EE:03:9A:6B:3C:
  • AA:60:EA:99:AA:74:44:45:1B:A6:6F:6F:28:4C:F2:44:
  • A9:E4:FC:65:C8:94:F3:44