indexo.dev

opzet.nl

.nl crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 2052 ms crawled 2026-05-30

NL · 84.38.237.170 · AS31673 Uniserver Internet B.V.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Creatief internet- en designbureau - Opzet
Description
Opzet is een creatief internet- en designbureau in de regio Haarlem en Velsen. We innoveren, creëren en bouwen aan merken en producten.
Language
nl-NL
Generator
Powered by Slider Revolution 6.7.40 - responsive, Mobile-Friendly Slider Plugin for WordPress with comfortable drag and drop interface.
Canonical
https://www.opzet.nl/
Feeds

Open Graph

url
https://www.opzet.nl/
title
Creatief internet- en designbureau - Opzet
locale
nl_NL
site name
Opzet
description
Opzet is een creatief internet- en designbureau in de regio Haarlem en Velsen. We innoveren, creëren en bouwen aan merken en producten.

Technology

Server
nginx
CMS
WordPress
PHP
8.3.31 security-only
jQuery
3.7.1
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • cdn.kiprotect.com×1

Social

Contact

Email
Phone

Registration

Registrar
Realtime Register
Created
1998-12-03
Updated
2024-02-06
Name servers
  • ns3.argewebhosting.nl
  • ns1.argewebhosting.eu
  • ns2.argewebhosting.com

DNS records live

NS
  • ns1.argewebhosting.eu
  • ns2.argewebhosting.com
  • ns3.argewebhosting.nl
MX
  • 10 bsmtp.opzet.nl
  • 20 bounce.argewebhosting.nl
TXT
  • MS=E018A36AD69E59876468295E054B8ECE3DFC63F1
Verified for
  • Apple

Email authentication weak

SPF
v=spf1 a ip4:84.35.47.15 ip4:84.38.237.0/24 ip6:2a0a:9fc0:5::/48 ip4:217.100.173.14 ip4:212.178.69.0/24 ip4:217.18.70.16 ip4:213.197.248.0/24 ip4:82.201.117.20 ip4:213.197.220.0/24 ip4:212.54.42.0/24 ip4:80.247.167.0/24 ip4:84.116.50.0/24 ip4:84.116.6.0/24 a:lv109506-opzet111.opzet.nl a:opzet-029.ux.is.nl a:opzet-030.ux.is.nl a:opzet-033.ux.is.nl ip4:194.165.34.0/24 include:_spf.argewebhosting.nl include:smtp.spf.ziggo.nl include:spf.spamx.denit.net ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-13 to 2026-07-12
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
  • cross-origin-opener-policy
  • cross-origin-embedder-policy
  • cross-origin-resource-policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
accelerometer=(), autoplay=(), camera=(), cross-origin-isolated=(), display-capture=(self), encrypted-media=(), fullscreen=*, geolocation=(self), gyroscope=(), keyboard-map=(), magnetometer=(), microphone=(), midi=(), payment=*, picture-in-picture=(), publickey-credentials-get=(), screen-wake-lock=(), sync-xhr=(), usb=(), xr-spatial-tracking=(), gamepad=(), serial=()
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests;
strict-transport-security
max-age=15768000; includeSubDomains
cross-origin-opener-policy
unsafe-none
cross-origin-embedder-policy
unsafe-none; report-to='default'
cross-origin-resource-policy
cross-origin

Links to (4)

Linked from (1)