SSL-Tools

SSL check results of astounding.org.uk

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Discover if the mail servers for astounding.org.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

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Report created Wed, 17 Jan 2024 17:40:35 +0000

The mailservers of astounding.org.uk can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @astounding.org.uk addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
post.astounding.org.uk
81.187.95.145
 10
supported
*.astounding.org.uk
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s

Outgoing Mails

We have received emails from these servers with @astounding.org.uk sender addresses. Test mail delivery

Host TLS Version & Cipher
post.astounding.org.uk (81.187.95.145)
TLSv1.3 TLS_AES_256_GCM_SHA384

Certificates

First seen at:

CN=*.astounding.org.uk

Certificate chain
Subject
Common Name (CN)
  • *.astounding.org.uk
Alternative Names
  • *.astounding.org.uk
  • astounding.org.uk
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
2024-01-17
Not valid after
2025-02-05
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
7D:2D:8E:BE:FB:3D:83:76:37:8D:D2:1D:EC:B7:17:BE:17:42:B0:96:65:1E:34:B0:AE:5B:F4:D3:B1:DD:AC:51
SHA1
18:55:AB:6A:FE:F6:49:DD:C3:0D:26:5A:E4:30:B3:EC:8A:B4:C8:65
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
  • 65:97:29:FE:47:FC:B1:CD:67:51:69:1C:40:CA:CB:4E:D6:C0:1B:C7
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 : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9:
  • 1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08
  • Timestamp : Jan 17 17:12:17.997 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:1F:38:7D:67:EB:68:57:EB:9A:06:F1:FA:
  • A1:F1:DD:F9:B8:1E:04:74:BF:B5:BE:69:DC:21:7F:BF:
  • 6E:5D:02:96:02:21:00:F8:85:82:A3:A3:AE:1A:8E:51:
  • 0D:C1:EA:FC:7F:D7:80:0D:56:E3:21:C2:AA:BB:75:03:
  • 61:A2:92:15:66:4F:96
  • 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 : Jan 17 17:12:17.918 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:BC:AA:C4:73:C6:C7:12:7B:97:D1:13:
  • 8B:C1:2E:21:3E:D0:C6:D2:F5:69:25:66:9E:3F:93:47:
  • F1:62:7C:1D:3D:02:20:67:8A:2F:28:16:8F:B9:72:BE:
  • 16:09:1D:2C:73:BA:0A:A4:9C:6F:A8:7A:AB:0F:66:39:
  • 23:2F:8A:22:66:5E:BB
  • 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 : Jan 17 17:12:17.966 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:D2:FC:74:B0:0F:74:B0:4F:15:EF:1B:
  • 1D:20:5C:AB:CB:53:A5:5E:D2:5D:AF:EF:17:15:09:31:
  • AF:0B:D1:07:D1:02:21:00:EA:B1:47:32:42:92:08:02:
  • 6E:6E:0E:2D:91:7A:AF:A3:6B:98:4C:86:AE:61:DD:CD:
  • 2A:0F:CF:5D:46:2E:4C:25