indexo.dev

duinzigthavo.nl

.nl crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 647 ms crawled 2026-06-03

NL · 94.237.125.89 · AS202053 UpCloud Ltd

Reputation 100/100

Classifying

HTML metadata

Title
Home - Duinzigt HAVO - Voor een stevige basis, met veel extra's
Language
nl-NL
Generator
IDN | CMS

Open Graph

url
https://www.duinzigt-havo.nl/
title
Home
locale
nl-NL
site name
Duinzigt HAVO - Voor een stevige basis, met veel extra's

Technology

Server
Apache
CMS
Joomla
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Contact

Phone

DNS records live

NS
  • ns1.hosted-power.com
  • ns2.hosted-power.com
MX
  • 0 mail.duinzigthavo.nl

Email authentication strong

SPF
v=spf1 a mx ip4:94.237.125.89 ip6:2a04:3544:1000:1510:3cc8:64ff:fefa:6d8b include:_spflist.allinonesoftware.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:development+mailauth-reports@internetdienstennederland.nl
policy: quarantine · sp=quarantine
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-05-03 to 2026-08-01
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://duinzigthavo.nl/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
unsafe-url
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (12)

Linked from (2)