SSL check results of filter4.antenna.nl

NEW You can also bulk check multiple servers.

Discover if the mail servers for filter4.antenna.nl 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 Mon, 03 May 2021 14:14:53 +0000

We can not guarantee a secure connection to the mailservers of filter4.antenna.nl!

Please contact the operator of filter4.antenna.nl and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/filter4.antenna.nl

Servers

Incoming Mails

These servers are responsible for incoming mails to @filter4.antenna.nl addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
filter4.antenna.nl
213.239.217.71
-
supported
filter4.antenna.nl
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
supported
  • SSL_RSA_WITH_RC4_128_SHA
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
12 s
filter4.antenna.nl
2a01:4f8:a0:748d::2
Results incomplete
- 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 @filter4.antenna.nl address so far. Test mail delivery

Certificates

First seen at:

emailAddress=support@antenna.nl,CN=filter4.antenna.nl,OU=ICT,O=Stichting Antenna,L=Nijmegen,ST=Gelderland,C=NL

Certificate chain
  • filter4.antenna.nl
    • remaining
    • 2048 bit
    • sha1WithRSAEncryption

      • filter4.antenna.nl (Certificate is self-signed.)
        • remaining
        • 2048 bit
        • sha1WithRSAEncryption
        • Unknown Authority

Subject
Country (C)
  • NL
State (ST)
  • Gelderland
Locality (L)
  • Nijmegen
Organization (O)
  • Stichting Antenna
Organizational Unit (OU)
  • ICT
Common Name (CN)
  • filter4.antenna.nl
Email
  • support@antenna.nl
Issuer
Country (C)
  • NL
State (ST)
  • Gelderland
Organization (O)
  • Stichting Antenna
Organizational Unit (OU)
  • ICT
Common Name (CN)
  • filter4.antenna.nl
Email
  • support@antenna.nl
validity period
Not valid before
2015-06-11
Not valid after
2025-06-08
Fingerprints
SHA256
25:E3:25:EA:07:23:BB:4E:33:BA:F3:36:54:19:59:78:73:19:66:FA:C9:8A:6C:C4:3C:4D:B3:AE:74:43:FB:59
SHA1
43:4B:09:58:84:47:02:D6:AC:1C:4A:8D:60:0D:26:10:50:52:AA:C9
X509v3 extensions
nsComment
  • OpenSSL Generated Certificate
subjectKeyIdentifier
  • F6:BC:3A:A2:FE:6C:44:86:D5:75:0A:B2:73:FB:9A:CD:8C:DA:A6:04
authorityKeyIdentifier
  • keyid:71:3B:A4:F7:FD:7A:F6:3A:78:3E:3E:67:6D:FC:4D:53:1F:6E:1B:71