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

JSON Refresh

Report created Fri, 29 Aug 2025 01:53:54 +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
      • E5
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • kounian.music
Alternative Names
  • kounian.music
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E5
validity period
Not valid before
2025-07-31
Not valid after
2025-10-29
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
A1:5C:74:3F:66:6A:DA:6D:1E:84:7E:F2:15:02:D4:CF:46:CB:5A:B0:5F:15:03:C4:05:75:01:E8:36:31:73:90
SHA1
C6:4A:94:9F:34:95:E0:5C:15:4F:63:5C:14:10:06:9C:29:BA:6F:EE
X509v3 extensions
subjectKeyIdentifier
  • 3C:3B:4A:0E:39:9B:EA:5C:BD:0D:B1:AC:0F:35:E8:CC:EF:E2:DD:00
authorityKeyIdentifier
  • keyid:9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
authorityInfoAccess
  • CA Issuers - URI:http://e5.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e5.c.lencr.org/127.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : ED:3C:4B:D6:E8:06:C2:A4:A2:00:57:DB:CB:24:E2:38:
  • 01:DF:51:2F:ED:C4:86:C5:70:0F:20:DD:B7:3E:3F:E0
  • Timestamp : Jul 31 23:43:18.130 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:28:BE:0C:DC:9A:41:B6:8B:D8:8E:93:11:
  • 59:89:14:CD:31:7F:AE:F5:CD:74:82:96:B2:72:EB:6A:
  • 6C:8A:4A:D5:02:21:00:9B:83:56:F5:A0:53:AA:9F:AC:
  • 56:B4:31:8A:39:D9:D7:B9:FF:13:DC:7E:56:64:FD:74:
  • 17:26:42:9D:F7:AB:B5
  • 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 : Jul 31 23:43:20.245 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:D8:E3:14:55:CC:91:65:45:46:FB:36:
  • 74:F1:23:43:0D:59:24:E4:89:CA:A0:8C:49:CC:13:A2:
  • 12:9F:53:86:E5:02:21:00:B7:8C:70:09:1F:45:32:BD:
  • EB:CF:3C:C0:AB:4B:02:15:C2:E9:55:D6:8A:B0:64:8A:
  • 76:DE:9A:B5:8A:09:40:A4