grebbeberg.nl

.nl crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 1031 ms crawled 2026-06-03

NL · 149.210.176.17 · AS20857 Signet B.V.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Welkom - De Slag om de Grebbeberg en Betuwestelling in mei 1940
Language
nl

Technology

Server
Apache

Social

Contact

Email

DNS records live

NS
  • ns0.transip.net
  • ns1.transip.nl
  • ns2.transip.eu
MX
  • 10 mx.transip.email

Email authentication weak

SPF
v=spf1 include:_spf.transip.email ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-29 to 2026-07-28
Expires in 54 days

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.grebbeberg.nl/

present
  • strict-transport-security
  • content-security-policy-report-only
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-opener-policy
same-origin
content-security-policy-report-only
default-src 'none'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; script-src 'self' 'unsafe-inline' https://maps.googleapis.com https://*.google-analytics.com https://www.googletagmanager.com; object-src 'self' https://www.grebbeberg.nl https://grebbeberg.nl https://beeldbank.grebbeberg.nl; manifest-src 'self' https://www.grebbeberg.nl https://grebbeberg.nl https://beeldbank.grebbeberg.nl; base-uri 'none'; connect-src 'self' https://maps.googleapis.com https://*.google-analytics.com; img-src 'self' data: blob: https://www.grebbeberg.nl https://grebbeberg.nl https://beeldbank.grebbeberg.nl; frame-src 'self' https://maps.google.com; font-src 'self' data: https://fonts.googleapis.com; block-all-mixed-content

Links to (2)

Linked from (1)