indexo.dev

baarstennisschool.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 1237 ms crawled 2026-06-01

NL · 83.172.130.166 · AS25459 Eurofiber Cloud Infra B.V.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Welkom - Baars Tennisschool
Language
nl
Generator
All in One SEO (AIOSEO) 4.2.9
Canonical
https://www.baarstennisschool.nl/
Feeds

Open Graph

url
https://www.baarstennisschool.nl/
title
Welkom - Baars Tennisschool
locale
nl_NL
site name
Baars Tennisschool - Samen naar meer tennis

Technology

Server
nginx
CMS
WordPress
PHP
7.4.33 end of life
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • 83.172.139.221×1
  • s.w.org×1
  • www.googletagmanager.com×1

DNS records live

NS
  • ns1.retailhosting.nl
  • ns2.retailhosting.nl
MX
  • 0 baarstennisschool-nl.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com a:smtpq1.mnd.mail.iss.as9143.net a mx ip4:83.172.138.12 ip4:195.211.73.225 ip4:141.138.168.30 ip4:195.211.72.0/22 ip4:141.138.168.0/21 ip6:2a03:3c00:a001::/48 ip6:2a03:3c00:a002::/48 ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-24 to 2026-08-22
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)