petermertens.nl

.nl crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 213 ms crawled 2026-06-03

NL · 83.137.145.155 · AS31477 Duocast B.V.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: PETER MERTENS 2026

Technology

Server: Apache

Social widgets

Vimeo Embed

Third-party hosts loaded (3)

player.vimeo.com×2
ttypp.nl×2
upload.wikimedia.org×1

Social

DNS records live

NS

ns1.exsilia.net
ns2.exsilia.net

MX

10 mail.petermertens.nl

Email authentication weak

SPF: v=spf1 ip4:83.137.145.0/24 a mx ?all
neutral (?all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-07 to 2026-07-06

Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Links to (15)

Linked from (3)