SSL-Tools

SSL check results of cmktransmissions.com

NEW You can also bulk check multiple servers.

Discover if the mail servers for cmktransmissions.com 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

JSON Refresh

Report created Wed, 14 Apr 2021 21:04:29 +0000

The mailservers of cmktransmissions.com can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @cmktransmissions.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.cmktransmissions.com
51.195.239.72
 10
supported
cmktransmissions.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
13 s

Outgoing Mails

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

Certificates

First seen at:

CN=cmktransmissions.com

Certificate chain
  • cmktransmissions.com
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • DST Root CA X3 (Certificate is self-signed.)
            • remaining
            • 2048 bit
            • sha1WithRSAEncryption
Subject
Common Name (CN)
  • cmktransmissions.com
Alternative Names
  • *.cmktransmissions.com
  • cmktransmissions.com
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2021-04-08
Not valid after
2021-07-07
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
2B:97:89:17:C3:26:87:94:83:3B:01:D3:4F:AB:C4:2C:95:F9:D3:DE:AB:C7:FA:3F:BA:9B:E7:06:10:31:69:FC
SHA1
61:30:E8:2C:F0:36:AB:BB:D6:34:7E:28:12:8B:C5:4C:0E:12:CB:93
X509v3 extensions
subjectKeyIdentifier
  • 64:54:5A:D2:CE:77:C3:63:12:08:8A:EE:99:B3:E2:2F:09:38:7B:0A
authorityKeyIdentifier
  • keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
  • OCSP - URI:http://r3.o.lencr.org
  • CA Issuers - URI:http://r3.i.lencr.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 : 5C:DC:43:92:FE:E6:AB:45:44:B1:5E:9A:D4:56:E6:10:
  • 37:FB:D5:FA:47:DC:A1:73:94:B2:5E:E6:F6:C7:0E:CA
  • Timestamp : Apr 8 22:29:37.647 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:47:6E:4F:7C:B4:4D:5C:B0:5F:76:1E:00:
  • F4:E9:3D:59:32:73:ED:18:81:A5:8A:FD:6F:A7:C9:8D:
  • 2F:37:31:FB:02:20:2C:08:D3:F3:DC:7C:73:1A:77:E1:
  • 13:88:ED:85:49:36:2B:EF:A3:4F:EA:D0:41:07:A6:E1:
  • BB:2D:B8:53:17:45
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7D:3E:F2:F8:8F:FF:88:55:68:24:C2:C0:CA:9E:52:89:
  • 79:2B:C5:0E:78:09:7F:2E:6A:97:68:99:7E:22:F0:D7
  • Timestamp : Apr 8 22:29:37.675 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:81:92:05:E2:03:6F:27:80:FC:C6:ED:
  • 68:F9:51:D6:4C:C8:70:BD:F0:52:9A:85:CC:A2:D1:52:
  • 30:2F:24:F1:B0:02:21:00:80:82:E9:F9:D7:D1:3D:66:
  • D5:BF:1D:E0:30:BB:DA:A5:67:79:B5:0E:D2:D7:C6:11:
  • F1:F7:D1:B8:31:B7:18:19