Discover if the mail servers for smtp.in-ulm.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 Tue, 04 Aug 2020 06:12:59 +0000
These servers are responsible for incoming mails to @smtp.in-ulm.de addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
smtp.in-ulm.de
217.10.8.16
|
- |
supported
|
in-ulm.de |
|
2 s
|
We have not received any emails from a @smtp.in-ulm.de address so far. Test mail delivery
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.smtp.in-ulm.de |
|
valid
|
valid
|