business-courses.nl

.nl crawl

First seen 2026-05-27 · Last seen 2026-05-27 · ok HTTP/1.1 200 558 ms crawled 2026-05-30

NL · 185.167.205.1 · AS57758 CBWS Holding B.V.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: We zijn snel terug | business-courses.nl
Language: nl

Technology

Server: Apache

Fonts

Google Fonts

Third-party hosts loaded (1)

fonts.googleapis.com×2

DNS records live

NS

ns.cloudbear.eu
ns.cloudbear.nl

MX

10 mail.business-courses.nl

Email authentication weak

SPF: v=spf1 a mx ip4:185.167.205.1 ip6:2a0b:b600:3c04:1:: ip6:2a0b:b600:3c04:1:0:0:0:0 ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E7

from 2026-04-14 to 2026-07-13

Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.business-courses.nl/

findings

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

Linked from (1)

start-links.nl×1