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hersenolympiade.nl

.nl ok HTTP/1.1 200 1060 ms

First seen 2026-06-17 · Last seen 2026-06-17 · crawled 2026-06-17

NL · 213.108.104.110 · AS47172 Greenhost BV

Reputation 87/100 weak security headers no dmarc policy

sector education subsector education media type homepage

HTML metadata

Title
Nederlandse Hersenolympiade
Language
en-US
Generator
qTranslate-XT 3.6.2
Canonical
https://hersenolympiade.nl/en/
Translations
  • en
  • nl
Feeds
dormant last post 1216 days ago

Technology

Server
Apache
CMS
WordPress
jQuery
3.7.1

Third-party hosts loaded (1)

  • gmpg.org×1

Social

Registration

Registrar
Metaregistrar B.V.
Created
2018-05-24
Updated
2025-09-30
Name servers
  • ns1.greenhost.nl
  • ns3.greenhost.nl
  • ns2.greenhost.net

DNS records live

NS
  • ns1.greenhost.nl
  • ns2.greenhost.net
  • ns3.greenhost.nl
MX
  • 10 mx1.greenhost.nl
  • 10 mx2.greenhost.nl

Email authentication weak

SPF
v=spf1 include:spf.greenhost.nl ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-07 to 2026-08-05
Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://hersenolympiade.nl/en/

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

Links to (5)

Linked from (1)

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