SSL-Tools

SSL check results of contrent.com

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Discover if the mail servers for contrent.com 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 Mon, 14 Sep 2026 05:48:12 +0000

The mailservers of contrent.com can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @contrent.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.contrent.com
82.165.189.167
 10
supported
mail.contrent.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.contrent.com

Certificate chain
Subject
Common Name (CN)
  • mail.contrent.com
Alternative Names
  • mail.contrent.com
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • Thawte TLS RSA CA G1
validity period
Not valid before
2026-09-04
Not valid after
2027-03-05
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
8B:51:8B:E6:1A:8D:F1:E3:86:9B:4B:DD:46:B4:C2:A8:29:D7:4B:E3:E0:11:26:42:AD:89:91:5B:47:1E:DF:45
SHA1
83:4D:1D:4B:6F:3A:94:C3:39:F9:68:6D:A2:14:36:88:1C:53:DB:D0
X509v3 extensions
authorityKeyIdentifier
  • keyid:A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
subjectKeyIdentifier
  • 1F:84:6D:00:BD:07:3A:5F:25:E9:47:AF:21:A6:AC:15:32:42:00:15
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • CPS: http://www.digicert.com/CPS
crlDistributionPoints
  • Full Name:
  • URI:http://cdp.thawte.com/ThawteTLSRSACAG1.crl
authorityInfoAccess
  • OCSP - URI:http://status.thawte.com
  • CA Issuers - URI:http://cacerts.thawte.com/ThawteTLSRSACAG1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F:
  • AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26
  • Timestamp : Sep 4 13:39:45.040 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:8A:72:16:41:82:3C:FD:2B:44:EB:EF:
  • 9D:89:25:74:D3:14:06:74:89:3A:2C:81:C5:D7:7D:42:
  • 13:43:81:DA:A6:02:20:57:CE:65:7D:11:D1:01:69:49:
  • 94:6B:6A:61:69:66:3C:10:63:42:ED:EC:18:95:70:8E:
  • A9:37:A1:AF:81:5C:D7
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF:
  • EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02
  • Timestamp : Sep 4 13:39:45.024 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:0A:E3:8C:CF:77:C9:C0:14:4C:41:E0:2F:
  • 80:0E:86:1B:EC:A0:F3:E5:64:03:40:46:F9:AD:52:7C:
  • CB:51:06:2D:02:21:00:92:4E:FF:92:28:5D:9E:F9:D1:
  • F3:1A:61:37:A6:5D:01:94:1A:23:71:27:C1:BB:B2:21:
  • 29:37:13:FE:8A:39:7B
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1:
  • BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66
  • Timestamp : Sep 4 13:39:45.102 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:E4:50:14:8D:DA:04:B3:51:2F:3E:F9:
  • 6A:8D:15:63:12:AF:8D:E2:AC:73:94:7C:73:F6:15:0A:
  • 4E:0A:CC:47:BD:02:21:00:A0:7F:24:D0:A2:96:72:B4:
  • 60:D0:FC:AC:0F:89:33:6B:84:3B:64:52:E9:40:05:8E:
  • 27:E2:71:4A:D5:1F:72:42