indexo.dev

sdo.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 1794 ms crawled 2026-06-02

NL · 185.87.187.182 · AS48635 Your Hosting B.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
SDO Groep – Samen duurzaam ontwikkelen
Language
nl-NL
Generator
WordPress 6.7.5
Canonical
https://sdo.nl/
Feeds

Technology

Server
Apache
CMS
WordPress 6.7.5
PHP
8.3.31 security-only
jQuery
3.7.1
Analytics
  • Google Tag Manager
Cookie consent
  • Iubenda
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • cdnjs.cloudflare.com×2
  • fonts.googleapis.com×2
  • maxcdn.bootstrapcdn.com×2
  • embeds.iubenda.com×1
  • gmpg.org×1
  • www.googletagmanager.com×1

DNS records live

NS
  • christina.neostrada.nl
  • lisa.neostrada.nl
  • sandra.neostrada.nl
MX
  • 10 mail.sdo.nl

Email authentication strong

SPF
v=spf1 a mx include:spf.totaalholding.nl ip4:185.87.187.182 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine;
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-09 to 2026-07-08
Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://sdo.nl/

present
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

Links to (6)

Linked from (1)