SSL-Tools

SSL check results of slg-pr.com

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Discover if the mail servers for slg-pr.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, 09 Jul 2025 00:30:16 +0000

The mailservers of slg-pr.com can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @slg-pr.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx1c45.carrierzone.com
216.55.149.41
Results incomplete
10
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
4 s
mx2c45.carrierzone.com
216.55.149.42
 100
supported
*.carrierzone.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
21 s
mx3c45.carrierzone.com
216.55.149.43
 110
supported
*.carrierzone.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
22 s
mx4c45.carrierzone.com
216.55.149.44
 120
supported
*.carrierzone.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
21 s

Outgoing Mails

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

Certificates

First seen at:

CN=*.carrierzone.com

Certificate chain
Subject
Common Name (CN)
  • *.carrierzone.com
Alternative Names
  • *.carrierzone.com
  • carrierzone.com
Issuer
Country (C)
  • GB
State (ST)
  • Greater Manchester
Locality (L)
  • Salford
Organization (O)
  • Sectigo Limited
Common Name (CN)
  • Sectigo RSA Domain Validation Secure Server CA
validity period
Not valid before
2025-05-19
Not valid after
2026-05-19
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
11:4C:08:A9:F5:C1:C7:90:84:3B:D9:53:CB:75:1E:DC:AD:A9:D3:55:A4:91:E4:E1:DE:09:8B:E9:3D:7F:86:93
SHA1
74:33:88:6F:50:57:62:96:54:F2:6D:4A:08:C6:2F:6E:25:62:60:1E
X509v3 extensions
authorityKeyIdentifier
  • keyid:8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1
subjectKeyIdentifier
  • 7B:D0:8C:5C:FC:A9:59:3C:8D:BE:D3:0B:E5:0D:C3:98:E9:CE:EA:86
certificatePolicies
  • Policy: 1.3.6.1.4.1.6449.1.2.2.7
  • CPS: https://sectigo.com/CPS
  • Policy: 2.23.140.1.2.1
authorityInfoAccess
  • CA Issuers - URI:http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
  • OCSP - URI:http://ocsp.sectigo.com
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 : May 19 13:04:46.621 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:3F:E7:2C:6E:A7:DF:AC:D2:54:1F:24:D7:
  • 1B:0C:47:59:B3:F9:FF:2F:FB:9B:2D:15:9A:D6:7F:37:
  • 1A:33:69:68:02:21:00:D8:F8:1F:EA:21:D3:35:34:58:
  • 18:3F:8B:07:66:2F:14:4B:58:F6:92:7C:C1:F2:0E:20:
  • D6:ED:62:3B:00:F3:B3
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 19:86:D4:C7:28:AA:6F:FE:BA:03:6F:78:2A:4D:01:91:
  • AA:CE:2D:72:31:0F:AE:CE:5D:70:41:2D:25:4C:C7:D4
  • Timestamp : May 19 13:04:46.526 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:1E:BA:7E:44:71:01:E1:98:1B:49:FF:86:
  • DB:A4:75:82:31:9E:8D:0C:43:39:1F:D5:82:8D:B8:97:
  • 92:3C:88:97:02:21:00:F5:72:68:C5:AA:77:3E:C0:3C:
  • 3C:5F:CB:74:F1:4B:DB:0B:98:D3:67:85:28:09:87:EA:
  • 98:E7:CB:D4:EE:F5:E9
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 0E:57:94:BC:F3:AE:A9:3E:33:1B:2C:99:07:B3:F7:90:
  • DF:9B:C2:3D:71:32:25:DD:21:A9:25:AC:61:C5:4E:21
  • Timestamp : May 19 13:04:46.459 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:4C:A0:5E:AC:5E:52:6B:48:DA:64:6E:D9:
  • 30:41:42:78:28:CB:D0:83:AC:D9:0B:49:45:E4:CF:DA:
  • 00:D8:43:F1:02:20:61:09:81:EC:A3:CC:F4:5D:86:93:
  • 5E:E5:97:FD:89:AE:82:AE:6A:15:A5:33:43:52:F1:A2:
  • 2A:66:AE:A3:D3:BB