SSL-Tools

SSL check results of tuerpe-net.de

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Discover if the mail servers for tuerpe-net.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 Sat, 10 Oct 2026 00:31:14 +0000

The mailservers of tuerpe-net.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @tuerpe-net.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp-in.portunity.de
2a02:a00::2:0:0:52
 10
supported
portunity.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
smtp-in.portunity.de
217.144.128.52
 10
supported
portunity.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1 s
smtp-backup1.portunity.de
2a02:a00::2:0:0:54
 20
supported
portunity.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
11 s
smtp-backup1.portunity.de
217.144.128.54
 20
supported
portunity.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
11 s
smtp-backup2.portunity.de
2a03:4000:f:5b9::25
 30
supported
portunity.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
11 s
smtp-backup2.portunity.de
37.120.186.72
 30
supported
portunity.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
11 s

Outgoing Mails

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

Certificates

First seen at:

CN=portunity.de

Certificate chain
  • portunity.de
    • remaining
    • 384 bit
    • ecdsa-with-SHA384
      • YE2
        • remaining
        • 384 bit
        • ecdsa-with-SHA384
          • Root YE
            • remaining
            • 384 bit
            • ecdsa-with-SHA384
              • ISRG Root X2 (Certificate is self-signed.)
                • remaining
                • 384 bit
                • ecdsa-with-SHA384
Subject
Common Name (CN)
  • portunity.de
Alternative Names
  • *.portunity.de
  • portunity.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • YE2
validity period
Not valid before
2026-10-05
Not valid after
2027-01-03
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
Fingerprints
SHA256
11:A6:2D:A2:EC:E3:82:FB:D4:0C:EE:43:38:E8:61:26:80:DF:22:9F:78:F6:56:A8:12:F1:D6:EE:97:B3:5B:C6
SHA1
67:0C:B0:F1:41:98:E7:A3:06:AD:3A:BB:DB:A1:17:B5:38:62:AD:F3
X509v3 extensions
subjectKeyIdentifier
  • 82:01:90:EF:5B:06:70:47:72:76:34:80:CC:86:84:C9:C7:6A:E0:11
authorityKeyIdentifier
  • keyid:B9:59:F2:8E:CF:22:F0:86:D3:37:48:FF:76:14:18:BA:82:D8:55:87
authorityInfoAccess
  • CA Issuers - URI:http://ye2.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://ye2.c.lencr.org/53.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 46:A2:39:67:C6:0D:B6:46:87:C6:6F:3D:F9:99:94:76:
  • 93:A6:A6:11:20:84:57:D5:55:E7:E3:D0:A1:D9:B6:46
  • Timestamp : Oct 5 14:17:29.715 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:D6:D3:84:A9:45:1C:DF:91:B0:1E:76:
  • 51:90:65:1D:AC:9E:4F:98:C8:69:4A:56:36:EA:61:42:
  • 03:DB:F8:E8:37:02:21:00:9E:23:25:A6:05:61:B4:26:
  • B2:BA:79:A1:8D:5B:0B:CB:B7:68:40:5E:A3:A0:88:6E:
  • C4:B5:89:40:1A:9A:B3:DE
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46:
  • FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8
  • Timestamp : Oct 5 14:17:29.861 2026 GMT
  • Extensions: 00:00:05:00:1C:CD:06:94
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:92:60:99:D1:DE:88:BB:41:C7:2A:05:
  • E3:BE:18:AC:4D:50:AE:E6:0D:D4:1E:18:C5:F4:65:D9:
  • 35:3A:B9:E0:25:02:20:41:DC:FD:17:8D:56:10:85:A7:
  • 8B:67:1A:E6:BB:AA:64:04:2E:79:2C:AA:16:76:4A:68:
  • 69:82:05:93:A4:C2:70