Discover if the mail servers for feuerwehr-dernau.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 Wed, 11 Jun 2025 00:31:01 +0000
These servers are responsible for incoming mails to @feuerwehr-dernau.de addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail.feuerwehr-dernau.de
2a0c:8900:5::8778:66c2
|
1 |
supported
|
mail.feuerwehr-dernau.de |
|
6 s
|
|
mail.feuerwehr-dernau.de
2.58.53.224
|
1 |
supported
|
mail.feuerwehr-dernau.de |
|
3 s
|
We have not received any emails from a @feuerwehr-dernau.de address so far. Test mail delivery
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.mail.feuerwehr-dernau.de |
|
error
Debug |
valid
|