grenswerk.nl

.nl crawl

First seen 2026-05-30 · Last seen 2026-06-03 · ok HTTP/1.1 200 988 ms crawled 2026-05-31

NL · 62.221.208.144 · AS48635 Your Hosting B.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Grenswerk
Language: nl-NL
Generator: WordPress 6.9.4
Canonical: https://www.grenswerk.nl/

Open Graph

url: https://www.grenswerk.nl/
title: Grenswerk: Home
site name: Grenswerk

Technology

Server: nginx
CMS: WordPress 6.9.4

Analytics

Google Tag Manager

Third-party hosts loaded (2)

fast.fonts.net×2
www.googletagmanager.com×1

Social

Contact

Email

DNS records live

NS

ns03.2is.nl
ns04.2is.be
ns05.2is.nl

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

Email authentication strong

SPF

v=spf1 mx ptr include:_spf.google.com include:_spf.eu.sparkpostmail.com include:sparkpostmail.com include:sendgrid.net ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@grenswerk.nl; ruf=mailto:dmarc_ruf@grenswerk.nl

policy: reject (enforced)

DKIM

Show 4 DKIM selectors

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkS40UX/80iwiUI3noI5mkUqt9IYGsmgXcXGYiERbHJCPaXInYqiGnZbwJShA0PT9LSjtHkqG4bIJ1m…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu+HaJKolJPGqBWpdkh3GhsCmnc7+qn9Swez2FQtaBEZz/OJU9c/W7XjCf6W2/ppSjanKY4Srdcp4XkAJ0/…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNWjDMOkXHCtaAuyTiTDvWGoobhCYEMrnvmNO3qU0jb2R9GO9iPasjR4uV5CCustmcI1atGLd/qDsqglEIkyAl1K…

selectors probed

Certificate (current)

R13

from 2026-04-13 to 2026-07-12

Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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