SSL check results of pearson.co.uk

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Discover if the mail servers for pearson.co.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

Report created Thu, 06 Dec 2018 18:05:06 +0000

The mailservers of pearson.co.uk can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @pearson.co.uk addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
post.pearson.co.uk
212.44.18.91
10
supported
post.aninfra.net
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 @pearson.co.uk address so far. Test mail delivery

Certificates

First seen at:

CN=post.aninfra.net

Certificate chain
Subject
Common Name (CN)
  • post.aninfra.net
Alternative Names
  • post.aninfra.net
  • post.nimbl.co.uk
  • post.nimbl.education
  • post.nimbl.uk
  • post.pearson-info.co.uk
  • post.pearson.co.uk
  • post.pearson.uk
  • post.pearsondigital.net
  • post.pearsoninformation.co.uk
  • post.pearsonpublishing.co.uk
  • post.pearsonpublishing.uk
  • smtp.rviewmail.org
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2018-11-10
Not valid after
2019-02-08
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
EE:D3:CE:47:EC:DA:E0:26:36:F3:0D:E3:76:A4:98:41:39:CA:C0:58:F8:76:9E:33:92:BF:F2:69:3B:E8:65:9D
SHA1
ED:0D:69:17:21:BC:FF:91:F9:4B:F0:0A:46:C2:47:51:3D:71:81:69
X509v3 extensions
subjectKeyIdentifier
  • 6A:80:00:C0:3F:C4:97:C3:77:7B:3B:91:FA:FA:5C:3F:0C:8B:F2:DF
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 : 74:7E:DA:83:31:AD:33:10:91:21:9C:CE:25:4F:42:70:
  • C2:BF:FD:5E:42:20:08:C6:37:35:79:E6:10:7B:CC:56
  • Timestamp : Nov 11 00:30:11.081 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:CE:BC:B1:DD:C4:FE:91:11:BD:39:3B:
  • 85:61:05:8B:F0:2F:07:B1:B5:75:8F:28:9A:95:A9:AC:
  • E6:57:BE:67:72:02:20:2E:D6:AE:B4:2B:40:D3:17:57:
  • 4B:33:BB:58:46:54:D9:92:53:88:C5:BC:13:59:89:2E:
  • E1:25:66:69:C8:8B:85
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 29:3C:51:96:54:C8:39:65:BA:AA:50:FC:58:07:D4:B7:
  • 6F:BF:58:7A:29:72:DC:A4:C3:0C:F4:E5:45:47:F4:78
  • Timestamp : Nov 11 00:30:11.126 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:AA:35:B0:8E:A9:36:FB:31:23:3C:8D:
  • E5:28:72:75:49:C5:8A:A7:CE:72:22:B9:A2:EE:44:EC:
  • AA:CE:54:6E:12:02:20:7B:55:DF:E0:FA:9C:92:72:9F:
  • B2:AE:A3:76:F0:18:60:B6:8A:7A:E9:B7:06:9E:EA:6B:
  • 9A:BD:72:FA:2B:E6:01