Discover if the mail servers for redback-spider.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, 06 May 2021 08:29:45 +0000
Please contact the operator of redback-spider.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 @redback-spider.net addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail.redback-spider.net
2a01:488:66:1000:b01c:8d1::1
Results incomplete
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10 | not checked |
|
11 s
|
||
mail.redback-spider.net
176.28.8.209
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10 |
supported
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redback-spider.net |
|
12 s
|
We have not received any emails from a @redback-spider.net address so far. Test mail delivery