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SSL check results of mail.donhauser-gmbh.de

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Discover if the mail servers for mail.donhauser-gmbh.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 Sun, 25 May 2025 14:11:37 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.donhauser-gmbh.de
81.27.170.110
 10
supported
mail.donhauser-gmbh.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-gmbh.de address so far. Test mail delivery

Certificates

First seen at:

CN=mail.donhauser-gmbh.de

Certificate chain
  • mail.donhauser-gmbh.de
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R10
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.donhauser-gmbh.de
Alternative Names
  • mail.donhauser-gmbh.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R10
validity period
Not valid before
2025-05-24
Not valid after
2025-08-22
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
6A:BD:58:46:8B:B5:33:EE:8C:18:68:57:9F:E4:19:7D:5B:E0:CB:9D:EA:C1:10:1B:78:4C:9C:29:20:A5:A7:47
SHA1
70:E6:8C:AC:10:7C:31:A1:31:BE:2E:86:3C:C7:D7:05:A0:13:5E:F5
X509v3 extensions
subjectKeyIdentifier
  • 72:81:DF:BB:F2:AD:43:EC:B1:2D:2C:A1:C3:A1:D5:35:F5:A0:DD:73
authorityKeyIdentifier
  • keyid:BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
authorityInfoAccess
  • CA Issuers - URI:http://r10.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r10.c.lencr.org/88.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 : May 24 21:12:19.908 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:B9:8B:1A:F1:8C:82:05:73:57:3D:8B:
  • 32:D8:77:92:7E:F5:85:FD:EC:99:44:1B:CB:9F:03:55:
  • 6A:51:33:8A:BB:02:21:00:C4:F1:31:A6:A7:83:1B:7E:
  • AE:39:04:5D:27:A7:32:74:72:5F:B2:AE:53:FA:82:05:
  • FA:5A:25:DB:E5:5F:4C:A0
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
  • F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
  • Timestamp : May 24 21:12:19.918 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:46:67:C4:9D:10:92:6B:79:3B:02:C3:15:
  • E2:C6:C3:49:1A:46:CC:45:AE:7D:2C:5A:37:2E:9E:AC:
  • 47:0A:F8:BA:02:20:74:46:E0:C3:84:CE:86:8E:4E:5E:
  • 2A:6B:2B:68:2B:9A:96:5F:2F:14:3B:33:95:DB:69:99:
  • ED:43:B3:E9:05:51