SSL check results of mail.iw4x.io

NEW You can also bulk check multiple servers.

Discover if the mail servers for mail.iw4x.io 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

Report created Mon, 14 Sep 2026 00:30:13 +0000

The mailservers of mail.iw4x.io can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.iw4x.io addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.iw4x.io
147.135.10.99
-
supported
mail.iw4x.io
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
7 s

Outgoing Mails

We have not received any emails from a @mail.iw4x.io address so far. Test mail delivery

Certificates

First seen at:

CN=mail.iw4x.io

Certificate chain
  • mail.iw4x.io
    • 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)
  • mail.iw4x.io
Alternative Names
  • mail.iw4x.io
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • YE1
validity period
Not valid before
2026-09-07
Not valid after
2026-12-06
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
Fingerprints
SHA256
3B:48:D2:03:B5:C0:28:17:D8:EA:C0:EF:14:DA:EF:3E:9D:98:20:90:D3:BA:62:88:10:9E:D0:CD:3D:A9:30:1D
SHA1
40:C6:3A:20:1F:0D:9A:D1:B3:D2:1D:DE:DF:36:E9:EB:B2:C7:4A:61
X509v3 extensions
subjectKeyIdentifier
  • 34:6A:9D:48:11:3D:7C:79:15:7C:60:D8:5B:C1:4E:12:14:54:BD:59
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/74.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E:
  • F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7
  • Timestamp : Sep 7 04:53:57.992 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:AA:77:89:5A:68:A3:E4:20:55:2D:54:
  • ED:1E:71:AB:AC:59:DD:F8:38:56:FD:7E:F9:26:23:E3:
  • 2D:80:69:D5:91:02:20:3D:2E:4D:C2:59:E3:53:BC:8F:
  • CF:80:D2:4F:1A:93:A5:C5:2F:DA:29:BA:9C:E1:97:53:
  • C5:D2:DF:A1:39:3B:A8
  • 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 : Sep 7 04:53:58.768 2026 GMT
  • Extensions: 00:00:05:00:3D:6C:3F:8D
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:0F:09:31:37:3E:E8:47:7D:73:1A:B3:52:
  • AF:A7:E7:BB:54:D4:03:9A:A1:A0:2B:21:DF:55:A8:BE:
  • FC:C1:DE:F4:02:20:6E:20:E3:81:90:56:87:2B:0D:F2:
  • E4:6E:C9:7B:04:32:1F:AB:7A:37:32:3A:D5:0A:9C:95:
  • 2C:B0:86:E8:F8:E0