SSL-Tools

SSL check results of mail.collaimages.com

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Discover if the mail servers for mail.collaimages.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

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Report created Tue, 15 Jul 2025 14:43:19 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.collaimages.com
91.250.99.27
 10
supported
collaimages.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=collaimages.com

Certificate chain
  • collaimages.com
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R11
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • collaimages.com
Alternative Names
  • collaimages.com
  • mail.collaimages.com
  • www.collaimages.com
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R11
validity period
Not valid before
2025-06-03
Not valid after
2025-09-01
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
24:65:06:C1:6E:2D:58:D9:A6:8C:74:5E:5B:B5:60:76:DF:05:9B:EC:C5:4C:59:5F:A5:29:C4:5A:9E:F5:93:05
SHA1
EC:9D:EF:A1:6D:C4:5C:23:07:F4:67:7C:A5:4F:8F:DA:E7:19:32:28
X509v3 extensions
subjectKeyIdentifier
  • 31:8E:DC:A8:B1:19:5A:40:B2:EC:D0:FA:DD:F0:6E:31:F2:58:84:7D
authorityKeyIdentifier
  • keyid:C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
authorityInfoAccess
  • CA Issuers - URI:http://r11.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r11.c.lencr.org/43.crl
ct_precert_scts
  • 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 : Jun 3 12:28:20.568 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:FF:ED:D6:95:E5:CD:A2:48:76:EE:1A:
  • DF:B3:45:0C:52:15:86:D9:11:6B:E9:99:D2:91:ED:29:
  • 9A:66:AE:B5:E4:02:20:01:8E:A4:F4:CF:F3:98:B3:3A:
  • 85:28:67:4E:D1:67:38:AB:67:92:4E:80:E3:F2:88:C6:
  • 00:63:54:2C:F4:F1:BC
  • 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 : Jun 3 12:28:22.430 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:CF:E8:51:E7:38:D0:7D:C4:CF:04:6D:
  • 8F:9F:C1:5D:D3:97:39:5E:03:8B:6D:46:0E:CF:F6:35:
  • 3B:34:DA:56:57:02:21:00:D7:4A:73:07:4B:B5:BD:CC:
  • 84:B9:4B:46:A4:F3:46:41:C6:47:81:7B:B5:53:10:31:
  • D7:7C:78:AF:16:49:A3:31