checkdnr.nl

.nl crawl

First seen 2026-05-31 · Last seen 2026-05-31 · ok HTTP/1.1 200 215 ms crawled 2026-06-01

NL · 87.236.102.210 · AS60781 LeaseWeb Netherlands B.V.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: DNR - Domeinnaam check

Technology

Server: Apache
PHP: 7.3.33 end of life
jQuery: 1.8.3 known XSS (<3.5)
Stack: PHP

Third-party hosts loaded (1)

ajax.googleapis.com×1

DNS records live

NS

ns01.dnrpro.nl
ns02.dnrpro.nl
ns3.thednscompany.com

MX

10 mail.checkdnr.nl

Email authentication weak

SPF: v=spf1 a mx ip4:87.236.102.210 ip6:2a02:cc8:0:0:0:0:102:210 -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E7

from 2026-04-11 to 2026-07-10

Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Linked from (1)

dnr.nl×1