SSL-Tools

SSL check results of mkv-geldern.de

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Discover if the mail servers for mkv-geldern.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.

Summary

JSON Refresh

Report created Fri, 21 Feb 2025 01:32:14 +0000

We can not guarantee a secure connection to the mailservers of mkv-geldern.de!

Please contact the operator of mkv-geldern.de and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/mkv-geldern.de

Servers

Incoming Mails

These servers are responsible for incoming mails to @mkv-geldern.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.heinrichmanten.de
80.153.11.209
 10
supported
Net at Work Mailgateway
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
mail2.heinrichmanten.de
62.26.104.226
Results incomplete
20 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s

Outgoing Mails

We have not received any emails from a @mkv-geldern.de address so far. Test mail delivery

Certificates

First seen at:

CN=SRVGEL-NSPGW,CN=Net at Work Mailgateway

Certificate chain
  • Net at Work Mailgateway (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority
Subject
Common Name (CN)
  • Net at Work Mailgateway
  • SRVGEL-NSPGW
Issuer

Certificate is self-signed.

validity period
Not valid before
2020-12-09
Not valid after
2060-12-09
Fingerprints
SHA256
56:42:B1:4F:55:F4:31:85:12:27:AD:CF:CC:F7:37:1A:E1:DA:6E:04:1A:99:7F:B4:E4:B1:FA:B0:9A:9E:65:30
SHA1
F1:F6:A0:DC:06:63:E4:CB:21:64:AB:FB:97:88:BD:07:15:7B:DB:0D