Discover if the mail servers for retzgen.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.
Report created Thu, 29 Jul 2021 20:53:32 +0000
Please contact the operator of retzgen.de and ask him or her to solve this problem. This result stays accessible under the following address:
These servers are responsible for incoming mails to @retzgen.de addresses.
| Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
|---|---|---|---|---|---|---|
|
mail.retzgen.de
91.204.45.33
Results incomplete
|
10 |
supported
|
not checked |
|
1 s
|
|
|
mx2.retzgen.de
37.221.194.75
|
100 |
supported
|
mx2.retzgen.de |
|
2 s
|
We have received emails from these servers with @retzgen.de sender addresses. Test mail delivery
| Host | TLS Version & Cipher | |
|---|---|---|
| mail.retzgen.de (91.204.45.33) |
TLSv1.3
TLS_AES_256_GCM_SHA384
|
Certificate is self-signed.
Heartbleed