Discover if the mail servers for netcologne.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, 11 Apr 2024 05:09:39 +0000
Please contact the operator of netcologne.de and ask him or her to solve this problem. This result stays accessible under the following address:
These servers are responsible for incoming mails to @netcologne.de addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
cc-mx2.netcologne.de
2001:4dd0:100:1062:25:3::2
Results incomplete
|
10 |
unsupported
|
not checked |
|
2 s
|
|
cc-mx2.netcologne.de
89.1.8.142
|
10 |
supported
|
cc-mx2.netcologne.de |
|
2 s
|
|
cc-mx3.netcologne.de
2001:4dd0:100:1062:25:3::3
Results incomplete
|
10 |
unsupported
|
not checked |
|
1 s
|
|
cc-mx3.netcologne.de
89.1.8.143
|
10 |
supported
|
cc-mx3.netcologne.de |
|
2 s
|
|
cc-mx4.netcologne.de
2001:4dd0:100:1062:25:3::4
Results incomplete
|
10 |
unsupported
|
not checked |
|
2 s
|
|
cc-mx4.netcologne.de
89.1.8.144
|
10 |
supported
|
cc-mx4.netcologne.de |
|
3 s
|
|
cc-mx1.netcologne.de
2001:4dd0:100:1062:25:3::1
Results incomplete
|
10 |
unsupported
|
not checked |
|
1 s
|
|
cc-mx1.netcologne.de
89.1.8.141
|
10 |
supported
|
cc-mx1.netcologne.de |
|
2 s
|
We have received emails from these servers with @netcologne.de sender addresses. Test mail delivery
Host | TLS Version & Cipher | |
---|---|---|
cc-smtpout2.netcologne.de (89.1.8.212) |
TLSv1.3
TLS_AES_256_GCM_SHA384
|
|
cc-smtpout1.netcologne.de (IPv6:2001:4dd0:100:1062:25:2:0:1) |
TLSv1.3
TLS_AES_256_GCM_SHA384
|