Discover if the mail servers for armster.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 Sun, 11 Dec 2022 11:50:02 +0000
These servers are responsible for incoming mails to @armster.de addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail.armster.de
88.198.34.157
Results incomplete
|
10 |
supported
|
not checked |
|
3 s
|
We have received emails from these servers with @armster.de sender addresses. Test mail delivery
Host | TLS Version & Cipher | |
---|---|---|
mail.bleib-neugierig.de (51.15.21.208) |
TLSv1.3
TLS_AES_256_GCM_SHA384
|
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.mail.armster.de |
|
valid
|
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