indexo.dev

zadelhoffdevelopment.nl

.nl crawl

First seen 2026-05-25 · Last seen 2026-05-29 · ok HTTP/1.1 200 2435 ms crawled 2026-05-29

US · 198.202.211.1 · AS209242 Cloudflare London, LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Zadelhoff Development
Description
Met onderscheidende projecten in de regio Groot Amsterdam beheert en ontwikkelt Zadelhoff al meer dan een halve eeuw bijzondere woon-, werk en leefomgevingen. Maatschappelijke betrokkenheid en verbinding met de stad staan daarbij centraal. Zo creëert Zadelhoff ruimte.
Language
en

Technology

CDN
Cloudflare
jQuery
3.5.1

Third-party hosts loaded (5)

  • cdn.prod.website-files.com×34
  • cdn.jsdelivr.net×5
  • unpkg.com×4
  • cdnjs.cloudflare.com×1
  • d3e54v103j8qbb.cloudfront.net×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.dn-s.nl
  • ns2.dn-s.nl
  • ns3.dn-s.nl
  • ns4.dn-s.nl
MX
  • 10 mail.zadelhoffdevelopment.nl

Email authentication weak

SPF
v=spf1 a mx include:_spf.premiumantispam.nl ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-07 to 2026-07-06
Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.zadelhoffdevelopment.nl/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Links to (3)

Linked from (1)