Discover if the mail servers for 5x2.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, 25 Feb 2021 13:31:42 +0000
These servers are responsible for incoming mails to @5x2.de addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mx-srv03.5x2.de
195.201.73.52
|
5 |
supported
|
*.5x2.de |
|
2 s
|
|
mx-srv01.5x2.de
195.201.73.50
|
10 |
supported
|
*.5x2.de |
|
12 s
|
|
mx-srv02.5x2.de
195.201.73.51
|
20 |
supported
|
*.5x2.de |
|
12 s
|
We have received emails from these servers with @5x2.de sender addresses. Test mail delivery
Host | TLS Version & Cipher | |
---|---|---|
mailout.5x2.de (94.130.189.67) |
TLSv1.3
TLS_AES_256_GCM_SHA384
|
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.mx-srv03.5x2.de |
|
valid
|
valid
|
_25._tcp.mx-srv03.5x2.de |
|
valid
|
valid
|
_25._tcp.mx-srv02.5x2.de |
|
valid
|
valid
|
_25._tcp.mx-srv02.5x2.de |
|
valid
|
valid
|
_25._tcp.mx-srv01.5x2.de |
|
valid
|
valid
|
_25._tcp.mx-srv01.5x2.de |
|
valid
|
valid
|