Discover if the mail servers for supaerior.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 Tue, 20 Apr 2021 15:32:09 +0000
Please contact the operator of supaerior.net 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 @supaerior.net addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail.supaerior.net
2a02:908:1200:6:715a:155c:29c7:cda
Results incomplete
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1 | not checked |
|
1 s
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mail.supaerior.net
176.199.13.103
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1 |
supported
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mail.supaerior.net |
|
2 s
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We have received emails from these servers with @supaerior.net sender addresses. Test mail delivery
Host | TLS Version & Cipher | |
---|---|---|
mout.kundenserver.de (217.72.192.74) |
TLSv1.3
TLS_AES_256_GCM_SHA384
|
|
mout.kundenserver.de (212.227.126.135) |
TLSv1.3
TLS_AES_256_GCM_SHA384
|