Discover if the mail servers for ds-shanghai.info 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, 13 Sep 2021 11:47:31 +0000
These servers are responsible for incoming mails to @ds-shanghai.info addresses.
|Hostname / IP address||Priority||STARTTLS||Certificates||Protocol|
We have received emails from these servers with @ds-shanghai.info sender addresses. Test mail delivery
|Host||TLS Version & Cipher|
No Certificates found