SSL-Tools

SSL check results of dertour.at

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Discover if the mail servers for dertour.at 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, 05 Nov 2023 20:42:08 +0000

The mailservers of dertour.at can be reached through an encrypted connection.

However, we found problems that may affect the security.

Servers

Incoming Mails

These servers are responsible for incoming mails to @dertour.at addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mailhost.billa.co.at
192.164.172.80
 10
supported
mailhost.billa.co.at
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
mailhost2.billa.co.at
192.164.172.34
 10
supported
mailhost.billa.co.at
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
mailhost3.billa.co.at
192.164.172.104
 10
supported
mailhost.billa.co.at
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

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

Certificates

First seen at:

ST=Lower Austria,CN=mailhost.billa.co.at,OU=IT,O=APP,L=Wiener Neudorf,C=AT

Certificate chain
  • mailhost.billa.co.at (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Unknown Authority
Subject
Country (C)
  • AT
Locality (L)
  • Wiener Neudorf
Organization (O)
  • APP
Organizational Unit (OU)
  • IT
Common Name (CN)
  • mailhost.billa.co.at
State (ST)
  • Lower Austria
Alternative Names
  • mailhost.billa.co.at
  • mailhost2.billa.co.at
  • mailhost3.billa.co.at
Issuer

Certificate is self-signed.

validity period
Not valid before
2018-12-05
Not valid after
2023-12-04
Fingerprints
SHA256
58:8B:F6:36:1B:16:B4:F5:00:FA:21:79:8A:ED:81:51:FD:6C:02:BB:1B:A4:F0:DA:A7:44:74:69:20:FE:15:D7
SHA1
CA:C2:02:15:E9:72:99:0B:35:44:02:F8:B7:A5:33:07:85:8E:02:E1
X509v3 extensions
nsComment
  • "OpenSSL Generated Certificate"
subjectKeyIdentifier
  • 5A:72:6A:08:0F:10:6F:44:DB:AB:2C:19:1D:AD:B4:D9:84:B2:4E:2D
authorityKeyIdentifier
  • keyid:5A:72:6A:08:0F:10:6F:44:DB:AB:2C:19:1D:AD:B4:D9:84:B2:4E:2D
  • DirName:/C=AT/L=Wiener Neudorf/O=APP/OU=IT/CN=mailhost.billa.co.at/ST=Lower Austria
  • serial:00