Discover if the mail servers for mail.petrochina.co.id 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, 08 Jun 2020 07:32:49 +0000
error: DNS Error: servfail
These servers are responsible for incoming mails to @mail.petrochina.co.id addresses.
No DNS records found
We have not received any emails from a @mail.petrochina.co.id address so far. Test mail delivery
No Certificates found