Discover if the mail servers for cmsrv.org 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 Mon, 25 May 2020 15:58:59 +0000
error: DNS Error: NXDomain (cmsrv.org)
These servers are responsible for incoming mails to @cmsrv.org addresses.
No DNS records found
We have not received any emails from a @cmsrv.org address so far. Test mail delivery
No Certificates found
Heartbleed