SSL-Tools

SSL check results of z4.nz

NEW You can also bulk check multiple servers.

Discover if the mail servers for z4.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 Sun, 03 Mar 2024 16:00:58 +0000

The mailservers of z4.nz can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @z4.nz addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
z4.nz
212.227.71.224
 -
supported
*.z4.nz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
z4.nz
2001:8d8:1800:8678::1
Results incomplete
- 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 @z4.nz address so far. Test mail delivery

Certificates

First seen at:

CN=*.z4.nz

Certificate chain
Subject
Common Name (CN)
  • *.z4.nz
Alternative Names
  • *.z4.nz
  • z4.nz
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • Encryption Everywhere DV TLS CA - G2
validity period
Not valid before
2024-03-03
Not valid after
2025-03-02
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
97:11:F9:B1:66:E8:E6:EC:98:A8:F9:E8:4B:4A:17:03:17:47:5C:03:F6:8E:93:FB:C8:BD:BD:E8:FD:4C:F3:EB
SHA1
F3:07:2C:AD:94:FF:37:0E:D8:12:17:0E:8B:D6:C5:E1:AE:FF:D1:81
X509v3 extensions
authorityKeyIdentifier
  • keyid:78:DF:91:90:5F:EE:DE:AC:F6:C5:75:EB:D5:4C:55:53:EF:24:4A:B6
subjectKeyIdentifier
  • 40:F7:53:12:D2:60:FB:8E:2C:4B:F3:06:EC:CC:57:56:F2:B3:CD:DD
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • CPS: http://www.digicert.com/CPS
authorityInfoAccess
  • OCSP - URI:http://ocsp.digicert.com
  • CA Issuers - URI:http://cacerts.digicert.com/EncryptionEverywhereDVTLSCA-G2.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB:
  • 1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF
  • Timestamp : Mar 3 15:04:59.053 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:04:B8:A7:F9:5C:61:11:A1:FF:57:1E:EB:
  • 62:80:11:9D:E5:C3:86:0C:CA:6D:14:81:17:1E:D8:2F:
  • E2:F5:86:47:02:21:00:93:D4:1B:0D:5D:7D:A3:6A:C4:
  • 03:72:C2:81:7B:29:50:C8:96:B8:EC:AF:46:55:27:07:
  • CC:E5:66:C3:0A:8B:29
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7D:59:1E:12:E1:78:2A:7B:1C:61:67:7C:5E:FD:F8:D0:
  • 87:5C:14:A0:4E:95:9E:B9:03:2F:D9:0E:8C:2E:79:B8
  • Timestamp : Mar 3 15:04:59.057 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:F3:C2:F7:35:D2:25:9D:51:01:AA:16:
  • 8A:9D:E4:15:21:A9:53:48:B1:8A:FE:1D:DB:F1:70:1F:
  • 05:C6:82:35:D5:02:21:00:A2:43:18:D2:E9:F0:95:17:
  • 4C:D4:C7:60:23:DE:54:DA:F5:13:4E:E1:8E:5B:88:D8:
  • 72:89:26:B5:B2:06:FF:D4
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : E6:D2:31:63:40:77:8C:C1:10:41:06:D7:71:B9:CE:C1:
  • D2:40:F6:96:84:86:FB:BA:87:32:1D:FD:1E:37:8E:50
  • Timestamp : Mar 3 15:04:59.094 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:38:E1:F7:B8:C2:19:0C:A2:F8:18:D7:7B:
  • D4:32:11:F4:07:28:02:C9:8C:A1:58:82:AA:81:B8:6D:
  • 25:A3:84:C1:02:20:5D:04:82:7D:C0:65:66:77:17:16:
  • AB:14:55:4B:15:66:B3:76:C3:84:00:7F:19:15:9F:14:
  • E1:12:DF:CD:F4:B1