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jtc.nl

.nl ok HTTP/1.1 200 447 ms

First seen 2026-06-14 · Last seen 2026-06-14 · crawled 2026-06-14

NL · 188.166.86.96 · AS14061 DigitalOcean, LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Startpagina - Jan Tinbergen College
Language
nl-NL
Canonical
https://www.jtc.nl/

Open Graph

url
https://www.jtc.nl/
title
Startpagina - Jan Tinbergen College
locale
nl_NL
site name
Jan Tinbergen College

Contact

Technology

Server
nginx
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Registration

Registrar
Ascio Technologies Inc
Created
1999-12-31
Updated
2025-10-11
Name servers
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 0 jtc-nl.mail.protection.outlook.com
Verified for
  • Canva
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw7XmYxdCtlrMdOr4Wt7oRBrg+TsnM/wA7kcgEOIcX8+m9XB4ncngIwUk0ku7z8DK+9JkoLfHUuil9w…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1XVm2l+ke+cbGB/HJXnBD2VJEye3rYeGyUV+aze1iBINCum+ImWcmnaSSoLtJzRawDe8RTqObt+TwV…
selectors probed

Certificate (current)

E7
from 2026-04-30 to 2026-07-29
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.jtc.nl/

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (6)

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