Discover if the mail servers for labcontrol.cz 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 Fri, 16 Oct 2020 10:27:29 +0000
Please contact the operator of labcontrol.cz 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 @labcontrol.cz addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail.labcontrol.cz
90.176.152.243
|
1 |
supported
|
mail.labcontrol.cz |
|
38 s
|
|
relay.zoner.com
2a00:19a0:3:78::d9c6:7817:1
|
5 |
supported
|
*.zoner.com |
|
2 s
|
|
relay.zoner.com
217.198.120.23
|
5 |
supported
|
*.zoner.com |
|
2 s
|
|
10mx.zoner.com
217.198.120.36
|
10 |
supported
|
*.zoner.com |
|
3 s
|
|
15mx.zoner.com
81.0.233.6
Results incomplete
|
15 |
unsupported
|
not checked |
|
11 s
|
We have not received any emails from a @labcontrol.cz address so far. Test mail delivery