indexo.dev

sterkezet.nl

.nl crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 920 ms crawled 2026-05-30

DE · 78.46.6.109 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Maatwerk Webapplicaties en Websites - Sterke Zet webdevelopment
Description
Sterke Zet webdevelopment ontwikkelt en onderhoudt Webapplicaties en Websites op maat. Bekijk onze Cases en ontdek wat wij voor jou kunnen betekenen!
Language
nl-NL
Generator
WP Rocket 3.21.3
Canonical
https://www.sterkezet.nl/
Feeds

Open Graph

url
https://www.sterkezet.nl/
title
Sterke Zet webdevelopment
locale
nl_NL
site name
Sterke Zet webdevelopment
description
Wij ontwikkelen Webapplicaties en Websites op maat. Bekijk onze Cases en ontdek wat wij voor jou kunnen betekenen!

Technology

Server
Apache
CMS
WordPress
jQuery
3.7.1
Analytics
  • Microsoft Clarity
Fonts
  • Font Awesome

Third-party hosts loaded (3)

  • gmpg.org×1
  • use.fontawesome.com×1
  • www.clarity.ms×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns061.auroradns.eu
  • ns062.auroradns.nl
  • ns063.auroradns.info
MX
Show 7 MX records
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 aspmx2.googlemail.com
  • 30 aspmx3.googlemail.com
  • 30 aspmx4.googlemail.com
  • 30 aspmx5.googlemail.com
Verified for
  • Brevo

Email authentication partial

SPF
v=spf1 a mx ip4:78.46.6.109 ip4:78.46.5.158 ip4:212.204.201.92/29 a:mail.asperionmail.nl ip4:51.144.122.183 include:_spf.google.com include:servers.mcsv.net include:spf.sendinblue.com -all
strict (-all)
DMARC
v=DMARC1; p=none; pct=10; rua=mailto:support@sterkezet.nl; ruf=mailto:support@sterkezet.nl;
policy: none (monitoring only) · pct=10
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvJ+r0lyA0aj4Dlyi6uxZnp720I3mhFlzQSeocUetX046QBQ7hxxbG+t32gU9gSZb6zPhg5qyyYVu8u…
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

R13
from 2026-04-14 to 2026-07-13
Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (2)

Linked from (5)