SSL check results of headlee.net

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Discover if the mail servers for headlee.net 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 Sun, 08 Dec 2019 02:15:23 +0000

The mailservers of headlee.net can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @headlee.net addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx2.cdxliv.net
173.165.141.75
10
supported
cdxliv.net
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
9 s
mx1.cdxliv.net
173.165.141.74
Results incomplete
20 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
4 s
mx3.cdxliv.net
173.165.141.74
Results incomplete
30 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
4 s
mx4.cdxliv.net
173.165.141.74
Results incomplete
40 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
3 s
mx5.cdxliv.net
173.165.141.74
Results incomplete
50 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
3 s

Outgoing Mails

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

Certificates

First seen at:

CN=cdxliv.net

Certificate chain
Subject
Common Name (CN)
  • cdxliv.net
Alternative Names
  • *.bytetest.com
  • *.cdxliv.net
  • *.headlee.co
  • *.headlee.net
  • *.matthewheadlee.com
  • *.xenolith0.com
  • *.xenolith0.net
  • *.xenolith0.org
  • *.xn0.co
  • *.xn0.me
  • *.xn0.org
  • *.xn0.us
  • bytetest.com
  • cdxliv.net
  • headlee.co
  • headlee.net
  • matthewheadlee.com
  • xenolith0.com
  • xenolith0.net
  • xenolith0.org
  • xn0.co
  • xn0.me
  • xn0.org
  • xn0.us
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2019-12-08
Not valid after
2020-03-07
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
36:24:A1:1D:77:1A:75:7B:0C:E5:DB:EC:6E:35:73:6A:8D:BA:29:2F:6D:B9:33:A5:AA:93:61:30:BC:55:80:B4
SHA1
7F:8B:28:96:22:5F:EA:BB:BE:17:3D:6E:5F:C2:F5:C1:5E:DB:BD:E3
X509v3 extensions
subjectKeyIdentifier
  • 6F:8D:C7:80:01:8D:58:8E:85:7D:B8:A4:54:18:D4:A8:AF:F3:E9:66
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 : 5E:A7:73:F9:DF:56:C0:E7:B5:36:48:7D:D0:49:E0:32:
  • 7A:91:9A:0C:84:A1:12:12:84:18:75:96:81:71:45:58
  • Timestamp : Dec 8 02:12:29.309 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:A0:BE:88:82:B5:2F:C1:E5:46:2E:AF:
  • 87:99:B3:5B:87:36:B7:F6:A4:38:01:A6:32:39:61:A8:
  • CD:56:76:A9:1B:02:20:02:CD:9E:BF:60:30:1C:73:3D:
  • 4F:08:04:6A:E3:A0:64:31:BF:1B:74:4F:A5:2B:5B:D6:
  • 41:BF:D1:71:3D:FA:F7
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 07:B7:5C:1B:E5:7D:68:FF:F1:B0:C6:1D:23:15:C7:BA:
  • E6:57:7C:57:94:B7:6A:EE:BC:61:3A:1A:69:D3:A2:1C
  • Timestamp : Dec 8 02:12:29.344 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:95:10:BC:69:F2:4E:FD:84:1B:42:66:
  • DA:C6:3B:DC:A5:AD:7C:28:33:17:7F:C0:C4:80:46:C8:
  • CF:A5:A0:A7:E1:02:21:00:96:84:C5:0C:10:85:D2:10:
  • 8C:D0:E8:3E:30:B3:6D:D3:7F:1B:AE:F1:48:86:63:0A:
  • 6C:CB:E7:4D:D8:83:E6:F1