Discover if the mail servers for ratec.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 Tue, 16 Aug 2022 11:52:07 +0000
Please contact the operator of ratec.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 @ratec.de addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail2.ratec.de
62.55.136.233
|
10 |
supported
|
Mail01 |
|
2 s
|
|
mail.ud10.udmedia.de
2a05:d580:0:1337::32
Results incomplete
|
20 |
supported
|
not checked |
|
1 s
|
|
mail.ud10.udmedia.de
194.117.254.50
Results incomplete
|
20 |
supported
|
not checked |
|
1 s
|
We have not received any emails from a @ratec.de address so far. Test mail delivery
Certificate is self-signed.
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.ud10.udmedia.de |
|
valid
|
— |
_25._tcp.mail.ud10.udmedia.de |
|
valid
|
— |