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SSL check results of server.malcolm.tech

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Discover if the mail servers for server.malcolm.tech 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 Thu, 05 Feb 2026 08:07:01 +0000

The mailservers of server.malcolm.tech can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @server.malcolm.tech addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
server.malcolm.tech
104.247.164.74
 -
supported
server.malcolm.tech
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s

Outgoing Mails

We have not received any emails from a @server.malcolm.tech address so far. Test mail delivery

Certificates

First seen at:

CN=server.malcolm.tech

Certificate chain
  • server.malcolm.tech
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R13
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • server.malcolm.tech
Alternative Names
  • server.malcolm.tech
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R13
validity period
Not valid before
2026-02-05
Not valid after
2026-05-06
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
5E:BC:BC:CD:66:A5:70:BF:73:31:D5:A0:C0:70:BC:4E:F2:3C:97:10:C3:75:B1:44:E9:8D:54:2F:8A:4E:F1:3B
SHA1
12:B3:C3:11:02:62:D3:1A:E7:56:B3:23:B9:DC:C4:75:19:51:2F:C2
X509v3 extensions
subjectKeyIdentifier
  • E3:AC:17:BC:E1:E6:4F:17:E2:09:F6:D5:AE:EA:00:57:F9:7D:7D:89
authorityKeyIdentifier
  • keyid:E7:AB:9F:0F:2C:33:A0:53:D3:5E:4F:78:C8:B2:84:0E:3B:D6:92:33
authorityInfoAccess
  • CA Issuers - URI:http://r13.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r13.c.lencr.org/82.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 96:97:64:BF:55:58:97:AD:F7:43:87:68:37:08:42:77:
  • E9:F0:3A:D5:F6:A4:F3:36:6E:46:A4:3F:0F:CA:A9:C6
  • Timestamp : Feb 5 08:05:36.425 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:41:2B:16:F1:AD:5C:0A:BF:72:F3:9A:2F:
  • 7E:55:2A:A5:58:F8:06:A1:9B:E8:72:AF:9D:AE:CC:4E:
  • B5:A5:A6:3E:02:20:0C:36:9E:00:28:3B:9A:6F:47:EE:
  • 0D:75:41:94:F8:26:2B:25:91:7D:0F:8A:0B:D9:EE:43:
  • 19:16:76:76:FD:EB
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 1A:8B:9D:69:4A:57:98:C8:99:A0:CA:88:BD:F4:8F:C0:
  • B4:56:60:CC:C3:60:0D:1F:71:F4:69:FF:C7:D1:AC:A3
  • Timestamp : Feb 5 08:05:36.762 2026 GMT
  • Extensions: 00:00:05:00:42:31:65:F6
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:8C:3E:96:94:97:21:97:41:EA:51:54:
  • 8E:E9:EE:BB:C6:C8:BF:6B:FC:97:78:A4:51:70:BB:66:
  • 52:AA:BC:95:DA:02:20:41:85:A5:A4:90:F4:C6:1A:95:
  • 9C:21:B6:5B:DB:57:7C:27:5F:D3:42:CC:83:5B:B0:91:
  • B0:C2:B3:BA:6F:93:EF