SSL-Tools

SSL check results of shamrockinfosec.com

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Discover if the mail servers for shamrockinfosec.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 Sat, 30 Aug 2025 00:30:06 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.shamrockinfosec.com
2a01:4d60:1:710::231
 10
supported
shamrockinfosec.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
mail.shamrockinfosec.com
185.40.56.231
 10
supported
shamrockinfosec.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=shamrockinfosec.com

Certificate chain
  • shamrockinfosec.com
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R12
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • shamrockinfosec.com
Alternative Names
  • mail.shamrockinfosec.com
  • shamrockinformationsecurity.com
  • shamrockinfosec.com
  • shamrockprivacyadvice.com
  • shamrockriskmanagement.com
  • webmail.shamrockinfosec.com
  • www.shamrockinformationsecurity.com
  • www.shamrockinfosec.com
  • www.shamrockprivacyadvice.com
  • www.shamrockriskmanagement.com
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R12
validity period
Not valid before
2025-08-29
Not valid after
2025-11-27
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
7B:23:F0:30:C9:17:CA:CC:4A:B1:CD:F3:9E:40:9F:98:60:A6:C9:6A:9C:E6:2F:9B:4C:06:A4:39:8F:75:54:12
SHA1
D3:44:13:5E:78:A9:5D:DB:32:0B:DD:99:F8:78:38:02:B6:03:7C:40
X509v3 extensions
subjectKeyIdentifier
  • 52:F6:6A:7D:35:89:55:84:D0:DA:9D:8F:CC:39:AB:90:FB:AE:DE:F3
authorityKeyIdentifier
  • keyid:00:B5:29:F2:2D:8E:6F:31:E8:9B:4C:AD:78:3E:FA:DC:E9:0C:D1:D2
authorityInfoAccess
  • CA Issuers - URI:http://r12.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r12.c.lencr.org/118.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
  • 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
  • Timestamp : Aug 29 09:40:15.900 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:E8:2F:36:BD:03:B3:5B:F2:DD:05:AC:
  • AD:4E:01:40:62:C2:C4:6F:A2:19:90:2D:12:EF:08:A5:
  • 4F:E6:7B:A7:44:02:21:00:A4:C5:BD:D5:B3:B5:E1:61:
  • FD:23:C8:35:68:65:5D:6B:30:01:37:53:78:4C:FB:3B:
  • DB:08:9C:34:3D:97:F2:09
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
  • 3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
  • Timestamp : Aug 29 09:40:15.933 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:9B:8A:09:7D:56:D7:E1:D5:0E:4E:EB:
  • 14:2E:32:75:FA:D2:29:38:56:10:A6:BC:8E:60:61:97:
  • 81:8A:B4:EF:E2:02:21:00:9D:3E:8A:54:B6:ED:4D:0D:
  • 87:6F:5F:38:7E:85:14:B4:82:71:91:05:E7:42:CB:43:
  • 74:94:89:D3:F9:EE:D7:6A