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SSL check results of stasnet.de

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Discover if the mail servers for stasnet.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

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Report created Mon, 14 Sep 2026 07:09:04 +0000

The mailservers of stasnet.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @stasnet.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.stasnet.de
45.90.4.231
 10
supported
mail.stasnet.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
5 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.stasnet.de

Certificate chain
  • mail.stasnet.de
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • YE1
        • 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)
  • mail.stasnet.de
Alternative Names
  • autoconfig.stasnet.de
  • autodiscover.stasnet.de
  • mail.stasnet.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • YE1
validity period
Not valid before
2026-09-14
Not valid after
2026-12-13
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
Fingerprints
SHA256
9F:A8:5E:DB:E4:4F:98:43:9F:B0:4D:7F:C8:34:51:69:8E:E9:0F:93:BC:B0:99:19:E5:A7:FD:BD:F9:AF:BC:FD
SHA1
1A:87:D1:E8:C5:BD:FC:8D:E8:86:B6:43:9E:E0:0F:5A:46:FE:D4:30
X509v3 extensions
subjectKeyIdentifier
  • DD:73:E2:B8:CF:A2:2F:DD:ED:EE:78:4A:C1:9E:F8:FE:81:24:3C:94
authorityKeyIdentifier
  • keyid:BB:20:CA:47:0B:FE:D7:E5:9C:F9:8F:09:2A:A3:8C:37:45:B1:BC:D8
authorityInfoAccess
  • CA Issuers - URI:http://ye1.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://ye1.c.lencr.org/50.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 26:E3:64:6E:58:69:21:23:BC:34:3F:47:24:35:9B:37:
  • 92:CD:24:5A:88:D8:15:D3:93:33:FD:99:18:AB:47:23
  • Timestamp : Sep 14 07:07:43.428 2026 GMT
  • Extensions: 00:00:05:00:41:92:54:DD
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:58:04:68:D3:38:C6:6C:FC:34:3C:FF:39:
  • F8:DD:6E:39:32:23:81:AE:35:53:E5:51:45:94:30:92:
  • 10:C7:EE:29:02:20:7A:58:BA:B7:67:C8:80:B8:8E:DC:
  • 9D:42:7A:EF:6D:F1:70:A8:61:6A:B8:8C:98:8C:BE:37:
  • 22:90:92:23:A2:D3
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB:
  • C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD
  • Timestamp : Sep 14 07:07:47.608 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:B9:E5:4A:8B:9C:98:B3:C3:19:3B:4A:
  • 07:72:2B:A0:33:98:3A:1A:37:94:AA:23:78:E5:53:75:
  • 94:83:D5:AE:8C:02:21:00:D1:FA:3F:CA:2C:91:B4:6F:
  • 3A:65:11:69:0A:63:DA:BD:4B:E7:4B:77:DE:B6:68:52:
  • 66:96:60:F8:EA:6A:67:79