indexo.dev

zijlstrabouw.nl

.nl crawl

First seen 2026-06-02 · Last seen 2026-06-04 · ok HTTP/1.1 200 2751 ms crawled 2026-06-02

NL · 80.73.132.32 · AS30830 Network Operations B.V

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Feeds

Open Graph

url
//www.zijlstrabouw.nl

Technology

Server
nginx
PHP
7.4.33 end of life
jQuery
2.1.3 known XSS (<3.5)
Stack
PHP
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • cdnjs.cloudflare.com×2
  • fonts.googleapis.com×2
  • ajax.googleapis.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns10.networkoperations.nl
  • ns11.networkoperations.nl
MX
  • 0 zijlstrabouw-nl.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 +a include:spf.protection.outlook.com ip6:2a01:5140:132::132/64 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

YR2
from 2026-05-29 to 2026-08-27
Expires in 83 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (5)

Linked from (2)