revaliderenisleren.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 1409 ms crawled 2026-06-02

NL · 136.144.236.86 · AS20857 Signet B.V.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Revalideren is leren
Language
nl-NL
Generator
WordPress 6.2.9
Canonical
https://www.revaliderenisleren.nl/
Feeds

Technology

Server
Apache
CMS
WordPress 6.2.9
jQuery
3.6.4

Third-party hosts loaded (1)

  • gmpg.org×1

DNS records live

NS
  • ns1.sensson.net
  • ns2.sensson.eu
MX
  • 0 revaliderenisleren-nl.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 a mx ip4:136.144.236.86 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-12 to 2026-07-11
Expires in 38 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.revaliderenisleren.nl/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (4)

Linked from (1)