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

Report created Thu, 08 Apr 2021 07:15:13 +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 - G1
validity period
Not valid before
2021-02-23
Not valid after
2022-02-20
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
01:B6:9D:5D:36:04:9E:5F:05:CD:4E:5B:D5:3B:AF:53:3B:F9:C7:F8:1A:3D:C6:D1:81:AF:12:0C:35:FF:F0:7F
SHA1
7D:9E:00:80:A0:F4:E4:88:2A:6E:FB:90:C4:4E:2A:CE:81:AC:A7:DE
X509v3 extensions
authorityKeyIdentifier
  • keyid:55:74:4F:B2:72:4F:F5:60:BA:50:D1:D7:E6:51:5C:9A:01:87:1A:D7
subjectKeyIdentifier
  • BC:14:13:1B:B1:78:F0:7B:D6:BA:C9:81:2B:9D:9E:09:7E:47:23:03
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-G1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 29:79:BE:F0:9E:39:39:21:F0:56:73:9F:63:A5:77:E5:
  • BE:57:7D:9C:60:0A:F8:F9:4D:5D:26:5C:25:5D:C7:84
  • Timestamp : Feb 23 21:08:23.001 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:F3:F4:D4:45:9D:4C:32:AD:42:35:0E:
  • 8F:93:F1:A5:E4:C7:11:58:7B:52:ED:40:0E:C8:E0:31:
  • C1:88:FC:74:FC:02:20:5D:81:39:C0:E7:12:70:36:EF:
  • B9:49:76:A8:C5:1F:F9:2D:B7:ED:A1:EC:A8:FC:3D:8D:
  • 85:7D:B4:E0:00:E1:5B
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 22:45:45:07:59:55:24:56:96:3F:A1:2F:F1:F7:6D:86:
  • E0:23:26:63:AD:C0:4B:7F:5D:C6:83:5C:6E:E2:0F:02
  • Timestamp : Feb 23 21:08:23.079 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:39:C7:F4:51:F9:EF:42:BB:56:CF:F1:A4:
  • 10:68:71:F0:FE:E8:E2:C3:4A:92:58:F5:2A:B6:35:63:
  • E5:AC:F0:94:02:21:00:E5:FF:4D:9B:E0:56:A6:1A:03:
  • 1D:20:B5:4D:C9:12:74:6D:28:FE:3F:B9:E3:E8:EE:F5:
  • D3:D9:C5:7A:0D:EA:9C