SSL-Tools

SSL check results of kounian.music

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Discover if the mail servers for kounian.music 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 Thu, 11 Jun 2026 16:41:06 +0000

The mailservers of kounian.music can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @kounian.music addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
kounian.music
87.138.150.40
 10
supported
kounian.music
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

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

Certificates

First seen at:

CN=kounian.music

Certificate chain
  • kounian.music
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • YE1
        • 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)
  • kounian.music
Alternative Names
  • kounian.music
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • YE1
validity period
Not valid before
2026-06-11
Not valid after
2026-09-09
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
Fingerprints
SHA256
E7:EF:65:61:80:0E:F9:90:50:C0:7F:5D:28:20:D0:34:3B:3C:84:99:2F:A1:2F:E2:77:A0:DE:7F:38:59:9B:3C
SHA1
8D:AD:D0:D5:67:52:BD:FF:16:64:1D:06:9B:33:5D:AD:4C:20:56:76
X509v3 extensions
subjectKeyIdentifier
  • A6:DC:44:0F:E7:BF:38:78:9D:F4:1D:55:11:04:30:BD:1A:A8:F1:23
authorityKeyIdentifier
  • keyid:BB:20:CA:47:0B:FE:D7:E5:9C:F9:8F:09:2A:A3:8C:37:45:B1:BC:D8
authorityInfoAccess
  • CA Issuers - URI:http://ye1.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://ye1.c.lencr.org/38.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB:
  • B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14
  • Timestamp : Jun 11 15:27:26.930 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:92:23:26:13:96:78:B1:D9:CB:8C:E8:
  • 0C:25:07:89:50:72:A6:DF:07:53:D6:B6:BF:C2:AC:5C:
  • F7:67:85:31:37:02:20:22:30:2F:08:65:97:15:02:E6:
  • AA:37:1D:EC:02:D6:4C:47:7B:62:35:19:86:95:00:61:
  • 3D:02:59:85:BE:6E:9C
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0:
  • D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F
  • Timestamp : Jun 11 15:27:27.027 2026 GMT
  • Extensions: 00:00:05:00:09:5F:43:D2
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:C1:1E:72:93:28:BA:F1:A5:04:A3:2F:
  • A5:77:86:8D:86:02:A4:BB:79:F3:1D:97:5C:47:E4:B6:
  • EB:DF:4F:42:34:02:21:00:D8:D1:9C:B7:8B:34:44:2C:
  • 25:2A:95:76:DA:F0:78:DF:FE:2C:1D:B3:27:49:8F:3A:
  • 7E:65:EF:2C:6B:9D:53:29