SSL-Tools

SSL check results of network-friends.org

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Discover if the mail servers for network-friends.org 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, 05 Jun 2020 21:48:04 +0000

The mailservers of network-friends.org can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @network-friends.org addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx1.network-friends.org
2a03:4000:1e:1d7:3::1
 1
supported
mx1.network-friends.org
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
mx1.network-friends.org
185.207.105.183
 1
supported
mx1.network-friends.org
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @network-friends.org address so far. Test mail delivery

Certificates

First seen at:

CN=mx1.network-friends.org

Certificate chain
Subject
Common Name (CN)
  • mx1.network-friends.org
Alternative Names
  • mx1.network-friends.org
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-05-02
Not valid after
2020-07-31
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
CA:4C:55:01:94:95:12:C3:75:CC:AF:EE:7A:B8:C6:64:2A:44:94:10:DC:04:90:EA:CE:3C:53:13:3B:3F:A6:4D
SHA1
50:E3:1E:5C:51:B2:4D:0C:C4:D9:E5:02:D5:BB:97:05:5A:EC:72:0B
X509v3 extensions
subjectKeyIdentifier
  • E4:C3:D9:8E:AB:6C:D5:40:56:9F:23:E3:E3:9E:3F:CA:85:CC:46:34
authorityKeyIdentifier
  • keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
authorityInfoAccess
  • OCSP - URI:http://ocsp.int-x3.letsencrypt.org
  • CA Issuers - URI:http://cert.int-x3.letsencrypt.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 5E:A7:73:F9:DF:56:C0:E7:B5:36:48:7D:D0:49:E0:32:
  • 7A:91:9A:0C:84:A1:12:12:84:18:75:96:81:71:45:58
  • Timestamp : May 3 00:00:32.808 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:75:98:20:C4:E7:FC:80:F1:A9:D9:10:D7:
  • 68:C4:2D:C2:66:94:F9:CD:95:62:96:E2:20:85:8D:68:
  • AB:AF:A6:C2:02:20:5D:54:A8:73:EC:A7:89:81:63:03:
  • C7:23:D1:17:A0:D0:86:1A:20:37:CA:7F:62:08:B8:F0:
  • 60:F2:AB:58:D7:32
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : B2:1E:05:CC:8B:A2:CD:8A:20:4E:87:66:F9:2B:B9:8A:
  • 25:20:67:6B:DA:FA:70:E7:B2:49:53:2D:EF:8B:90:5E
  • Timestamp : May 3 00:00:32.805 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:B9:FC:88:A6:35:C1:97:BC:70:48:8A:
  • 58:EF:6A:85:F7:D0:CE:C2:B3:EE:3B:5F:D3:33:63:7B:
  • 72:56:CF:6C:F0:02:21:00:9F:9F:DF:C6:99:91:29:7E:
  • C8:FB:DF:8D:31:D8:9E:4D:C9:45:1B:55:90:B2:E5:75:
  • 62:64:4E:D4:5B:5C:9D:1F