SSL check results of additive-net.de

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Discover if the mail servers for additive-net.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

Report created Wed, 09 Jun 2021 09:19:04 +0000

We can not guarantee a secure connection to the mailservers of additive-net.de!

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

/mailservers/additive-net.de

Servers

Incoming Mails

These servers are responsible for incoming mails to @additive-net.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx1.additive-net.net
62.153.146.205
10
supported
srvvmx001
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
mx2.additive-net.net
62.153.146.215
Results incomplete
20
unsupported
not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=srvvmx001

Certificate chain
  • srvvmx001 (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority

Subject
Common Name (CN)
  • srvvmx001
Alternative Names
  • srvvmx001
Issuer

Certificate is self-signed.

validity period
Not valid before
2017-09-04
Not valid after
2027-09-02
Fingerprints
SHA256
06:60:67:B9:83:C6:39:94:AA:73:47:B5:60:04:21:FB:4D:36:47:74:A4:5B:4D:F6:11:FB:1C:65:7F:1D:1D:C6
SHA1
B0:B8:9D:05:8C:E8:81:58:AA:B3:4B:04:21:22:98:6A:AA:79:EE:DD