SSL-Tools

SSL check results of fr4.nz

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Discover if the mail servers for fr4.nz 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, 07 Aug 2020 18:51:38 +0000

The mailservers of fr4.nz can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @fr4.nz addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.fr4.nz
51.158.151.95
 10
supported
mail.fr4.nz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
9 s

Outgoing Mails

We have not received any emails from a @fr4.nz address so far. Test mail delivery

Certificates

First seen at:

CN=mail.fr4.nz

Certificate chain
Subject
Common Name (CN)
  • mail.fr4.nz
Alternative Names
  • mail.fr4.nz
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-08-07
Not valid after
2020-11-05
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
15:1B:E5:78:E2:30:D8:48:25:73:24:02:05:4D:21:CC:12:C6:82:DC:F5:CC:A3:EF:17:70:89:80:FF:31:AA:FD
SHA1
F6:96:EF:03:67:EC:A1:BF:06:B2:83:6F:41:EF:8A:6B:1B:D8:0C:38
X509v3 extensions
subjectKeyIdentifier
  • C2:B0:F6:E2:60:F3:C0:7F:DD:B1:C8:9B:C2:49:ED:58:83:26:05:7F
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 : F0:95:A4:59:F2:00:D1:82:40:10:2D:2F:93:88:8E:AD:
  • 4B:FE:1D:47:E3:99:E1:D0:34:A6:B0:A8:AA:8E:B2:73
  • Timestamp : Aug 7 18:44:49.796 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:72:37:19:6B:B7:28:09:CA:2F:A5:37:AD:
  • 33:A9:90:D2:5B:85:C2:75:47:F1:08:FA:85:03:85:64:
  • 77:68:52:8D:02:21:00:9F:AB:AD:C5:A9:50:BB:39:EF:
  • 2F:FA:37:18:C7:E8:5A:60:44:8A:E1:16:08:A5:B0:B5:
  • A7:DA:6D:0E:81:80:9C
  • 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 : Aug 7 18:44:49.798 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:3C:31:BA:4E:AE:34:0C:0D:49:BD:62:C2:
  • 2D:26:46:02:7A:6D:20:0C:48:53:B6:E1:2D:DB:AA:D8:
  • 40:71:B4:D8:02:20:61:09:2D:0A:13:65:73:D6:30:56:
  • E0:AE:3E:C7:6E:ED:F0:79:E8:2F:F7:92:74:27:D7:7A:
  • 26:9C:27:C6:21:09