SSL-Tools

SSL check results of techmasters.work

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Discover if the mail servers for techmasters.work 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 Sat, 22 Aug 2026 16:26:23 +0000

The mailservers of techmasters.work can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @techmasters.work addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.techmasters.work
132.147.72.221
 10
supported
mail.techmasters.work
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
8 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.techmasters.work

Certificate chain
  • mail.techmasters.work
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • YE2
        • remaining
        • 384 bit
        • ecdsa-with-SHA384
          • Root YE
            • remaining
            • 384 bit
            • ecdsa-with-SHA384
              • ISRG Root X2 (Certificate is self-signed.)
                • remaining
                • 384 bit
                • ecdsa-with-SHA384
Subject
Common Name (CN)
  • mail.techmasters.work
Alternative Names
  • mail.techmasters.work
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • YE2
validity period
Not valid before
2026-08-20
Not valid after
2026-11-18
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
Fingerprints
SHA256
2B:B4:03:73:E0:03:D7:EF:4E:62:61:16:66:8D:29:E4:23:F0:E3:88:D9:8F:DC:EE:D8:DB:0F:5D:87:7D:E1:49
SHA1
08:C0:D6:46:14:2E:45:C5:48:B1:1E:0C:C9:90:0D:65:82:96:AB:BB
X509v3 extensions
subjectKeyIdentifier
  • A3:E8:3F:C7:26:43:FE:7E:43:AC:7B:56:D8:58:7A:D8:70:16:E1:A0
authorityKeyIdentifier
  • keyid:B9:59:F2:8E:CF:22:F0:86:D3:37:48:FF:76:14:18:BA:82:D8:55:87
authorityInfoAccess
  • CA Issuers - URI:http://ye2.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://ye2.c.lencr.org/89.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB:
  • 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A
  • Timestamp : Aug 20 23:10:39.942 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:2D:BC:BA:1A:8C:2A:32:7A:4E:F3:A2:D0:
  • 09:83:C0:D4:EF:EF:68:E9:24:C3:A0:D3:E4:12:72:FC:
  • 04:E8:54:CC:02:20:49:4F:56:FE:25:76:22:2E:46:70:
  • 5D:44:EB:2F:69:F5:07:06:EF:BF:77:74:30:15:6E:41:
  • C2:A2:56:A8:2D:BB
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 1A:8B:9D:6B:0F:FE:BF:81:B4:79:39:C6:D2:31:0A:86:
  • D6:D1:02:D4:F0:46:E2:18:2C:9D:E3:5F:5E:26:25:EF
  • Timestamp : Aug 20 23:10:40.986 2026 GMT
  • Extensions: 00:00:05:00:36:AF:E5:C4
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:8C:4C:6B:14:77:D8:8E:2B:98:99:F7:
  • B4:67:F5:FF:82:BD:66:B0:FC:E2:9E:87:24:CD:BD:98:
  • AF:B6:5F:90:2D:02:21:00:F7:82:58:5B:C0:04:4B:FA:
  • 7B:DE:E1:D8:67:2E:E0:3F:41:35:2B:58:D5:76:39:53:
  • CD:DD:8D:9B:0B:B4:8B:F2