Discover if the mail servers for tiefenbeck.com 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, 26 Sep 2022 07:41:10 +0000
These servers are responsible for incoming mails to @tiefenbeck.com addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail.protonmail.ch
185.70.42.128
|
10 |
supported
|
protonmail.com |
|
30 s
|
|
mail.protonmail.ch
176.119.200.128
|
10 |
supported
|
protonmail.com |
|
13 s
|
|
mail.protonmail.ch
185.205.70.128
|
10 |
supported
|
protonmail.com |
|
19 s
|
|
mailsec.protonmail.ch
185.205.70.129
|
20 |
supported
|
protonmail.com |
|
8 s
|
|
mailsec.protonmail.ch
185.70.42.129
|
20 |
supported
|
protonmail.com |
|
7 s
|
|
mailsec.protonmail.ch
176.119.200.129
|
20 |
supported
|
protonmail.com |
|
7 s
|
We have not received any emails from a @tiefenbeck.com address so far. Test mail delivery
DNS-based Authentication of Named Entities (DANE) is a protocol to allow X.509 certificates to be bound to DNS using TLSA records and DNSSEC.
Name | Options | DNSSEC | Matches |
---|---|---|---|
_25._tcp.mail.protonmail.ch |
|
valid
|
valid
|
_25._tcp.mail.protonmail.ch |
|
valid
|
— |
_25._tcp.mailsec.protonmail.ch |
|
valid
|
valid
|
_25._tcp.mailsec.protonmail.ch |
|
valid
|
— |