indexo.dev

smsopleidingscentrum.nl

.nl crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 5973 ms crawled 2026-05-30

DK · 77.111.240.158 · AS51468 One.com A/S

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
SMS Opleidingscentrum | Bijles in Amsterdam & Zaandam
Description
Meer dan 1100 tevreden leerlingen en 9 jaar ervaring. Bijles en studiebegeleiding voor basis- en middelbare school in Amsterdam & Zaandam.
Language
nl-NL
Generator
Divi v.4.27.4
Canonical
https://www.smsopleidingscentrum.nl/
Feeds

Open Graph

url
https://www.smsopleidingscentrum.nl/
title
SMS Opleidingscentrum | Bijles in Amsterdam & Zaandam
locale
nl_NL
site name
SMS opleidingscentrum
description
Meer dan 1100 tevreden leerlingen en 9 jaar ervaring. Bijles en studiebegeleiding voor basis- en middelbare school in Amsterdam & Zaandam.
updated time
2026-03-18T03:31:57+01:00

Technology

Server
Apache
CMS
WordPress
PHP
8.5.6
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • www.googletagmanager.com×3
  • a.omappapi.com×1
  • cdn.trustindex.io×1
  • fonts.gstatic.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns01.one.com
  • ns02.one.com
MX
  • 10 mx1.pub.mailpod9-cph3.one.com
  • 10 mx2.pub.mailpod9-cph3.one.com
  • 10 mx3.pub.mailpod9-cph3.one.com
  • 10 mx4.pub.mailpod9-cph3.one.com
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-05-14 to 2026-08-12
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.smsopleidingscentrum.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 (1)