SSL check results of dh-online.net

NEW You can also bulk check multiple servers.

Discover if the mail servers for dh-online.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 Fri, 16 Jun 2023 05:33:31 +0000

No connection to the mailservers of dh-online.net could be established.

Servers

Incoming Mails

These servers are responsible for incoming mails to @dh-online.net addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
shared.dh-infra.net
2a0a:51c0:0:74::3
Results incomplete
10
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
shared.dh-infra.net
91.216.245.60
Results incomplete
10
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Outgoing Mails

We have received emails from these servers with @dh-online.net sender addresses. Test mail delivery

Host TLS Version & Cipher
shared.dh-infra.net (IPv6:2a0a:51c0:0:74::3)
TLSv1.3 TLS_AES_256_GCM_SHA384

Certificates

No Certificates found