Discover if the mail servers for gmxtra.net 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, 27 Jan 2022 12:35:48 +0000
These servers are responsible for incoming mails to @gmxtra.net addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
relay03.cloudfortress.net
2001:4ba0:cafe:110:80:82:222:232
Results incomplete
|
10 |
supported
|
not checked |
|
2 s
|
|
relay03.cloudfortress.net
80.82.222.232
Results incomplete
|
10 |
supported
|
not checked |
|
1 s
|
|
relay02.cloudfortress.net
2001:4ba0:cafe:1417:89:163:219:11
Results incomplete
|
10 |
supported
|
not checked |
|
1 s
|
|
relay02.cloudfortress.net
89.163.219.11
Results incomplete
|
10 |
supported
|
not checked |
|
1 s
|
|
relay01.cloudfortress.net
2606:cd80:0:e::b5f0
Results incomplete
|
10 |
supported
|
not checked |
|
1 s
|
|
relay01.cloudfortress.net
104.237.13.19
Results incomplete
|
10 |
supported
|
not checked |
|
1 s
|
We have not received any emails from a @gmxtra.net address so far. Test mail delivery
No Certificates found
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.relay03.cloudfortress.net |
|
valid
|
— |
_25._tcp.relay03.cloudfortress.net |
|
valid
|
— |
_25._tcp.relay02.cloudfortress.net |
|
valid
|
— |
_25._tcp.relay02.cloudfortress.net |
|
valid
|
— |
_25._tcp.relay01.cloudfortress.net |
|
valid
|
— |
_25._tcp.relay01.cloudfortress.net |
|
valid
|
— |