Discover if the mail servers for wbtmaster.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, 08 Apr 2021 08:25:05 +0000
These servers are responsible for incoming mails to @wbtmaster.de addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
office.helpmaster.de
92.50.81.34
|
5 |
supported
|
*.helpmaster.de |
|
2 s
|
|
remote.helpmaster.de
217.91.135.30
Results incomplete
|
6 | not checked |
|
11 s
|
||
mx00.kundenserver.de
212.227.15.41
Results incomplete
|
10 |
supported
|
mx.kundenserver.de |
|
1 s
|
|
mx01.kundenserver.de
217.72.192.67
Results incomplete
|
10 |
supported
|
mx.kundenserver.de |
|
1 s
|
|
smtp.ionos.de
213.165.67.113
Results incomplete
|
11 |
supported
|
not checked |
|
1 s
|
|
smtp.ionos.de
213.165.67.97
Results incomplete
|
11 |
supported
|
not checked |
|
1 s
|
|
mail.wbtmaster.de
2001:8d8:964:f2a3:58b3:d140:4270::
Results incomplete
|
20 | not checked |
|
1 s
|
||
mail.wbtmaster.de
212.227.136.170
Results incomplete
|
20 | not checked |
|
1 s
|
We have not received any emails from a @wbtmaster.de address so far. Test mail delivery