SSL-Tools

SSL check results of jrongen.nl

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Discover if the mail servers for jrongen.nl 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 Thu, 30 Oct 2025 01:30:07 +0000

The mailservers of jrongen.nl can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @jrongen.nl addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.jrongen.nl
86.95.111.110
 10
supported
jrongen.nl
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 @jrongen.nl address so far. Test mail delivery

Certificates

First seen at:

CN=jrongen.nl

Certificate chain
  • jrongen.nl
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R13
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • jrongen.nl
Alternative Names
  • *.jrongen.com
  • *.jrongen.nl
  • *.selene.jrongen.com
  • *.selene.jrongen.nl
  • jrongen.com
  • jrongen.nl
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R13
validity period
Not valid before
2025-09-29
Not valid after
2025-12-28
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
4C:4E:C3:CE:FE:06:B7:6D:38:92:72:2B:D6:C4:3D:B7:D7:26:63:6D:8F:CA:9C:A9:9C:02:64:6A:C2:0C:2B:49
SHA1
5A:44:C5:72:1F:FA:EE:9B:5F:89:B4:A8:0D:90:EE:FF:76:F6:F3:58
X509v3 extensions
subjectKeyIdentifier
  • 6D:9D:EA:6D:A7:02:2A:85:B8:C6:30:27:95:21:90:8B:69:1A:53:F5
authorityKeyIdentifier
  • keyid:E7:AB:9F:0F:2C:33:A0:53:D3:5E:4F:78:C8:B2:84:0E:3B:D6:92:33
authorityInfoAccess
  • CA Issuers - URI:http://r13.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r13.c.lencr.org/68.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A4:42:C5:06:49:60:61:54:8F:0F:D4:EA:9C:FB:7A:2D:
  • 26:45:4D:87:A9:7F:2F:DF:45:59:F6:27:4F:3A:84:54
  • Timestamp : Sep 29 06:36:40.352 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:07:68:86:49:03:0A:5E:C3:6E:30:B7:57:
  • 75:55:6D:85:02:39:24:C8:71:0B:93:BC:83:1F:5F:B1:
  • 78:1A:A6:76:02:20:57:18:78:C2:D4:A6:23:AF:9B:83:
  • 86:69:17:EF:D0:C2:67:A9:56:64:A7:37:EA:1B:5C:55:
  • F5:EA:94:25:5C:67
  • 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 : Sep 29 06:36:40.404 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:DF:AE:E6:9F:56:48:5F:59:1D:BC:A4:
  • BE:01:33:0A:B1:48:5E:9B:17:4F:D9:F0:C5:4E:E9:54:
  • 83:8B:EA:C3:A5:02:20:36:72:66:CD:7D:18:36:BE:C4:
  • 48:1D:3D:C5:57:EB:CB:7F:52:A8:85:E7:05:AB:12:27:
  • 45:AF:77:6E:92:EC:BC