SSL-Tools

SSL check results of mail.frigo-support.com

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Discover if the mail servers for mail.frigo-support.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 Sun, 26 Apr 2026 00:30:31 +0000

The mailservers of mail.frigo-support.com can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.frigo-support.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.frigo-support.com
159.195.49.222
 -
supported
mail.frigo-support.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s
mail.frigo-support.com
2a0a:4cc0:c1:bcc2:c880:f4ff:fe04:f4c1
 -
supported
mail.frigo-support.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
6 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.frigo-support.com

Certificate chain
  • mail.frigo-support.com
    • remaining
    • 384 bit
    • ecdsa-with-SHA384
      • E8
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.frigo-support.com
Alternative Names
  • mail.frigo-support.com
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E8
validity period
Not valid before
2026-04-22
Not valid after
2026-07-21
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
Fingerprints
SHA256
7D:99:15:F7:A9:5C:E5:37:16:79:BF:E7:8E:D4:1E:C2:9D:1A:EE:D1:A1:D3:7C:A3:78:A3:17:F9:92:BF:2D:0D
SHA1
73:80:D1:0C:87:9B:14:1F:30:36:2A:2B:E5:0A:30:DA:98:2A:67:92
X509v3 extensions
subjectKeyIdentifier
  • 27:2A:BD:0A:25:42:F8:5C:2B:0C:7C:11:BC:EC:4D:99:1E:10:6A:14
authorityKeyIdentifier
  • keyid:8F:0D:13:A2:F6:2E:7E:D1:50:6C:33:18:38:5D:59:8E:23:72:91:CA
authorityInfoAccess
  • CA Issuers - URI:http://e8.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e8.c.lencr.org/67.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65:
  • 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8
  • Timestamp : Apr 22 10:08:53.818 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:ED:66:42:51:D9:F4:60:80:D7:16:1B:
  • 20:61:03:D9:DF:C8:53:4F:FA:FA:03:24:7B:F3:35:DD:
  • 9D:D7:02:12:C6:02:20:07:5E:09:CE:BA:73:CB:E8:89:
  • 21:8F:EB:56:80:02:FA:A4:B5:FB:58:B7:5C:DD:F7:56:
  • 77:8D:00:06:CC:31:AB
  • 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 : Apr 22 10:08:54.700 2026 GMT
  • Extensions: 00:00:05:00:0B:29:DC:D2
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:7C:CB:27:5A:EB:06:8D:34:74:35:20:0E:
  • 42:A1:58:45:E9:C1:EB:D4:D0:CD:07:3A:62:F7:DD:C0:
  • 07:A7:E0:73:02:21:00:BC:43:0F:82:8B:3C:15:6A:BF:
  • 32:30:66:75:2B:B8:61:79:1F:A9:EB:B8:F8:89:FB:58:
  • 29:0F:8F:3B:9C:9E:3B