SSL check results of zmail.casa

NEW You can also bulk check multiple servers.

Discover if the mail servers for zmail.casa 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 Sat, 17 Oct 2020 20:11:20 +0000

The mailservers of zmail.casa can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @zmail.casa addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
linear-design.com
185.112.147.116
1
supported
linear-design.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s

Outgoing Mails

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

Certificates

First seen at:

CN=linear-design.com

Certificate chain
Subject
Common Name (CN)
  • linear-design.com
Alternative Names
  • linear-design.com
  • nmicrodesign.com
  • solairenc.com
  • trulyrandom.info
  • zmail.casa
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-10-01
Not valid after
2020-12-30
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
10:E2:BD:9A:6A:72:20:0D:14:74:6F:C3:C2:2E:CC:3D:68:97:39:3A:FD:64:7D:40:FB:3C:FA:58:2B:91:29:AD
SHA1
AF:92:1A:C7:66:F8:FD:BA:DD:C0:DE:E2:E7:5C:12:9C:78:B4:FC:A7
X509v3 extensions
subjectKeyIdentifier
  • 8F:24:8D:1B:3F:6A:BA:05:D2:DF:4D:4B:1F:E1:F1:48:DC:D4:17:ED
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 : E7:12:F2:B0:37:7E:1A:62:FB:8E:C9:0C:61:84:F1:EA:
  • 7B:37:CB:56:1D:11:26:5B:F3:E0:F3:4B:F2:41:54:6E
  • Timestamp : Oct 1 18:02:53.698 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:F9:07:9C:CC:3F:0D:17:EF:62:0B:27:
  • CE:9A:D7:72:AC:79:BA:7F:CC:E6:A9:C1:55:C7:7F:6F:
  • BB:B3:3B:90:B3:02:20:13:B6:44:EF:96:2A:2B:BE:E9:
  • 87:AE:1C:72:58:4D:C8:0C:E3:2B:42:6E:D5:F1:DC:BE:
  • 11:1D:CC:D8:09:BC:41
  • 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 : Oct 1 18:02:53.762 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:29:82:CE:CF:A9:7D:DE:40:66:D9:1C:93:
  • DF:45:0C:86:0C:79:FC:72:37:8A:1E:27:7A:45:AA:9B:
  • 4A:0B:51:7E:02:21:00:E5:A8:50:D4:A6:B2:59:8D:6B:
  • EC:4E:81:CA:B6:49:25:11:BF:8E:5A:96:9D:7E:C7:68:
  • 24:ED:10:58:B0:A9:A4