SSL check results of grellmann.net

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Discover if the mail servers for grellmann.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.

Summary

Report created Thu, 25 May 2023 15:59:04 +0000

No connection to the mailservers of grellmann.net could be established.

Servers

Incoming Mails

These servers are responsible for incoming mails to @grellmann.net addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
grellmann.net
89.182.113.152
Results incomplete
10
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
7 s

Outgoing Mails

We have received emails from these servers with @grellmann.net sender addresses. Test mail delivery

Host TLS Version & Cipher
mo4-p00-ob.smtp.rzone.de (81.169.146.218)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo4-p00-ob.smtp.rzone.de (81.169.146.161)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo4-p00-ob.smtp.rzone.de (85.215.255.21)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo4-p00-ob.smtp.rzone.de (81.169.146.219)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo4-p00-ob.smtp.rzone.de (81.169.146.217)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo4-p00-ob.smtp.rzone.de (85.215.255.25)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo4-p00-ob.smtp.rzone.de (81.169.146.163)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo4-p00-ob.smtp.rzone.de (85.215.255.22)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo4-p00-ob.smtp.rzone.de (85.215.255.24)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo4-p00-ob.smtp.rzone.de (81.169.146.162)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo4-p00-ob.smtp.rzone.de (81.169.146.160)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo4-p00-ob.smtp.rzone.de (81.169.146.220)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo6-p00-ob.smtp.rzone.de (IPv6:2a01:238:20a:202:5300::5)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo6-p00-ob.smtp.rzone.de (IPv6:2a01:238:20a:202:5300::9)
TLSv1.3 TLS_AES_256_GCM_SHA384
mo6-p00-ob.smtp.rzone.de (IPv6:2a01:238:20a:202:5300::1)
TLSv1.3 TLS_AES_256_GCM_SHA384

Certificates

No Certificates found