Discover if the mail servers for prod.hdi.service.onpier.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, 23 Jun 2022 12:56:23 +0000
These servers are responsible for incoming mails to @prod.hdi.service.onpier.de addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mxa.eu.mailgun.org
3.122.29.183
|
0 |
supported
|
*.eu.mailgun.org |
|
1 s
|
|
mxa.eu.mailgun.org
35.156.190.149
|
0 |
supported
|
*.eu.mailgun.org |
|
1 s
|
|
mxa.eu.mailgun.org
35.157.140.183
|
0 |
supported
|
*.eu.mailgun.org |
|
1 s
|
|
mxb.eu.mailgun.org
35.156.190.149
|
0 |
supported
|
*.eu.mailgun.org |
|
1 s
|
|
mxb.eu.mailgun.org
35.157.140.183
|
0 |
supported
|
*.eu.mailgun.org |
|
1 s
|
|
mxb.eu.mailgun.org
3.122.29.183
|
0 |
supported
|
*.eu.mailgun.org |
|
1 s
|
We have not received any emails from a @prod.hdi.service.onpier.de address so far. Test mail delivery