SSL check results of gmxtra.net

NEW You can also bulk check multiple servers.

Discover if the mail servers for gmxtra.net 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

Report created Thu, 27 Jan 2022 12:35:48 +0000

No connection to the mailservers of gmxtra.net could be established.

Servers

Incoming Mails

These servers are responsible for incoming mails to @gmxtra.net addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
relay03.cloudfortress.net
2001:4ba0:cafe:110:80:82:222:232
Results incomplete
10
supported
not checked
DANE
errors
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s
relay03.cloudfortress.net
80.82.222.232
Results incomplete
10
supported
not checked
DANE
errors
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
relay02.cloudfortress.net
2001:4ba0:cafe:1417:89:163:219:11
Results incomplete
10
supported
not checked
DANE
errors
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
relay02.cloudfortress.net
89.163.219.11
Results incomplete
10
supported
not checked
DANE
errors
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
relay01.cloudfortress.net
2606:cd80:0:e::b5f0
Results incomplete
10
supported
not checked
DANE
errors
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
relay01.cloudfortress.net
104.237.13.19
Results incomplete
10
supported
not checked
DANE
errors
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Outgoing Mails

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

Certificates

No Certificates found

DANE

DNS-based Authentication of Named Entities (DANE) is a protocol to allow X.509 certificates to be bound to DNS using TLSA records and DNSSEC.

Name Options DNSSEC Matches
_25._tcp.relay03.cloudfortress.net
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
_25._tcp.relay03.cloudfortress.net
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
_25._tcp.relay02.cloudfortress.net
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
_25._tcp.relay02.cloudfortress.net
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
_25._tcp.relay01.cloudfortress.net
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
_25._tcp.relay01.cloudfortress.net
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid