SSL-Tools

SSL check results of numenor.oucs.ox.ac.uk

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Discover if the mail servers for numenor.oucs.ox.ac.uk 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 Sat, 15 Jul 2023 16:31:55 +0000

The mailservers of numenor.oucs.ox.ac.uk can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @numenor.oucs.ox.ac.uk addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
oxmail-ng.ox.ac.uk
129.67.1.173
 9
supported
oxmail.ox.ac.uk
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
5 s

Outgoing Mails

We have not received any emails from a @numenor.oucs.ox.ac.uk address so far. Test mail delivery

Certificates

First seen at:

CN=oxmail.ox.ac.uk,O=University of Oxford,L=Oxford,C=GB

Certificate chain
Subject
Country (C)
  • GB
Locality (L)
  • Oxford
Organization (O)
  • University of Oxford
Common Name (CN)
  • oxmail.ox.ac.uk
Alternative Names
  • oxmail.ox.ac.uk
  • oxmail-dev.ox.ac.uk
  • oxmail-ng.ox.ac.uk
  • relay17.mail.ox.ac.uk
  • relay18.mail.ox.ac.uk
  • relay19.mail.ox.ac.uk
  • relay20.mail.ox.ac.uk
Issuer
Country (C)
  • US
Organization (O)
  • Entrust, Inc.
Organizational Unit (OU)
  • See www.entrust.net/legal-terms
  • (c) 2012 Entrust, Inc. - for authorized use only
Common Name (CN)
  • Entrust Certification Authority - L1K
validity period
Not valid before
2023-07-04
Not valid after
2024-08-03
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
8A:B6:22:3F:DE:E6:30:45:CA:9F:68:1A:A5:2B:F7:70:0B:9D:7B:4E:B7:EA:81:F6:39:C9:63:2B:7F:BD:62:D2
SHA1
F3:A4:E1:26:FE:5D:2E:FB:90:18:BA:0B:95:3D:43:05:9D:94:FD:E3
X509v3 extensions
subjectKeyIdentifier
  • CA:9D:50:65:6C:7D:36:C1:23:A9:EF:59:5C:9D:0D:C2:43:9A:7C:A6
authorityKeyIdentifier
  • keyid:82:A2:70:74:DD:BC:53:3F:CF:7B:D4:F7:CD:7F:A7:60:C6:0A:4C:BF
authorityInfoAccess
  • OCSP - URI:http://ocsp.entrust.net
  • CA Issuers - URI:http://aia.entrust.net/l1k-chain256.cer
crlDistributionPoints
  • Full Name:
  • URI:http://crl.entrust.net/level1k.crl
certificatePolicies
  • Policy: 2.16.840.1.114028.10.1.5
  • CPS: https://www.entrust.net/rpa
  • Policy: 2.23.140.1.2.2
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
  • 32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
  • Timestamp : Jul 4 15:00:08.166 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:E8:A8:22:F3:83:D5:B9:E9:AC:E7:22:
  • AB:F5:C5:EB:41:6F:6D:3D:F6:52:BB:A6:A2:03:45:00:
  • C9:E6:71:69:51:02:21:00:D2:AE:7C:BB:E9:BA:8D:9E:
  • 3C:C5:3E:C8:6B:4E:C6:37:0A:6E:E2:38:9E:0C:C0:CF:
  • 40:35:DA:A3:90:A8:D3:93
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 3F:17:4B:4F:D7:22:47:58:94:1D:65:1C:84:BE:0D:12:
  • ED:90:37:7F:1F:85:6A:EB:C1:BF:28:85:EC:F8:64:6E
  • Timestamp : Jul 4 15:00:08.220 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:0B:BC:16:5E:54:99:D9:40:FC:CF:12:A7:
  • 78:1E:06:91:BB:0C:7E:26:DE:4E:BB:4C:5B:61:61:78:
  • 05:D8:6C:8D:02:21:00:A5:1A:93:8B:1C:72:49:D2:DA:
  • A9:56:58:E6:B1:B2:6D:B1:80:2B:42:09:5C:BC:EF:97:
  • 98:8B:A8:F4:14:9A:5B
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
  • 1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
  • Timestamp : Jul 4 15:00:08.475 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:68:B1:B4:2D:11:44:E3:E0:0B:CA:FA:F6:
  • D1:08:EC:EC:D0:BC:FF:2D:E5:B4:B0:2B:7D:63:47:39:
  • D1:49:13:2D:02:21:00:CA:5D:79:AA:9D:48:26:14:78:
  • 6C:C6:5B:BD:8E:C6:3F:3A:A6:78:22:11:FB:06:C9:89:
  • 11:23:55:C7:70:07:45