Discover if the mail servers for helmutschupp.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, 26 May 2022 14:26:48 +0000
These servers are responsible for incoming mails to @helmutschupp.de addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mx1-prod-de-fsn1-pve1.schupp.io
2a01:4f8:252:430::1:1
|
10 |
supported
|
*.schupp.io |
|
2 s
|
|
mx1-prod-de-fsn1-pve1.schupp.io
138.201.23.160
|
10 |
supported
|
*.schupp.io |
|
2 s
|
|
mx2-prod-de-fsn1-pve1.schupp.io
2a01:4f8:252:430::1:2
|
20 |
supported
|
*.schupp.io |
|
2 s
|
|
mx2-prod-de-fsn1-pve1.schupp.io
138.201.23.161
|
20 |
supported
|
*.schupp.io |
|
2 s
|
|
mx3-prod-de-nbg1.schupp.io
2a01:4f8:c2c:c041::1:3
|
30 |
supported
|
*.schupp.io |
|
2 s
|
|
mx3-prod-de-nbg1.schupp.io
116.203.135.109
|
30 |
supported
|
*.schupp.io |
|
2 s
|
We have not received any emails from a @helmutschupp.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.mx3-prod-de-nbg1.schupp.io |
|
valid
|
— |
_25._tcp.mx3-prod-de-nbg1.schupp.io |
|
valid
|
valid
|
_25._tcp.mx1-prod-de-fsn1-pve1.schupp.io |
|
valid
|
— |
_25._tcp.mx1-prod-de-fsn1-pve1.schupp.io |
|
valid
|
valid
|
_25._tcp.mx2-prod-de-fsn1-pve1.schupp.io |
|
valid
|
— |
_25._tcp.mx2-prod-de-fsn1-pve1.schupp.io |
|
valid
|
valid
|