SSL-Tools

SSL check results of mail.donhauser-test.de

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Discover if the mail servers for mail.donhauser-test.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 Fri, 15 Aug 2025 18:16:44 +0000

The mailservers of mail.donhauser-test.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.donhauser-test.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.donhauser-test.de
81.27.170.108
 10
supported
mail.donhauser-test.de
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 @mail.donhauser-test.de address so far. Test mail delivery

Certificates

First seen at:

CN=mail.donhauser-test.de

Certificate chain
  • mail.donhauser-test.de
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R11
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.donhauser-test.de
Alternative Names
  • mail.donhauser-test.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R11
validity period
Not valid before
2025-08-15
Not valid after
2025-11-13
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
90:B7:70:0F:3D:B7:C5:B1:BC:EE:7A:E1:9D:F9:69:5C:FF:0C:63:1D:03:99:44:74:55:E9:2F:EF:CD:98:13:E3
SHA1
01:C3:E7:C2:71:FC:97:D3:4C:8F:4E:84:47:40:BF:67:C4:51:AB:43
X509v3 extensions
subjectKeyIdentifier
  • DF:85:1F:DA:79:53:89:FE:36:10:B2:F9:A3:93:97:65:FE:40:A8:DF
authorityKeyIdentifier
  • keyid:C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
authorityInfoAccess
  • CA Issuers - URI:http://r11.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r11.c.lencr.org/93.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 0D:E1:F2:30:2B:D3:0D:C1:40:62:12:09:EA:55:2E:FC:
  • 47:74:7C:B1:D7:E9:30:EF:0E:42:1E:B4:7E:4E:AA:34
  • Timestamp : Aug 15 17:40:02.324 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:89:F0:78:B5:89:98:13:1D:9B:FD:5F:
  • 39:DD:C4:37:04:15:AB:31:A9:AA:1A:56:B1:20:D5:D8:
  • BF:92:49:F9:1D:02:20:0C:EB:2A:06:1D:E4:4D:EC:D0:
  • 70:01:0F:25:7E:F4:35:EC:99:6E:29:AC:E2:60:BB:02:
  • 2B:22:72:16:B7:B9:30
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A4:42:C5:06:49:60:61:54:8F:0F:D4:EA:9C:FB:7A:2D:
  • 26:45:4D:87:A9:7F:2F:DF:45:59:F6:27:4F:3A:84:54
  • Timestamp : Aug 15 17:40:04.323 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:0B:65:29:8D:80:92:45:7A:77:7C:50:6C:
  • 16:A0:54:29:74:98:EA:2D:A3:70:70:B3:27:69:41:3B:
  • 3B:D3:85:95:02:20:43:C0:BE:AA:D7:37:C5:A0:8D:9C:
  • FE:68:DE:71:69:07:38:B8:3F:7B:A9:4C:04:B1:6D:81:
  • 5D:E2:10:BA:73:F5