indexo.dev

racketmeesters.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 1527 ms crawled 2026-06-01

NL · 141.138.169.247 · AS20847 Previder B.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Tennisles Haarlem - Racketmeesters
Description
Boek jouw Tennisles in Haarlem, Hoofddorp of Bloemendaal bij Racketmeesters! Specialist in tennis- en padelles voor junioren & senioren.
Language
en
Generator
WordPress 6.6.5
Canonical
https://www.racketmeesters.nl/

Open Graph

url
https://www.racketmeesters.nl/
title
Tennisles Haarlem - Racketmeesters
locale
nl_NL
site name
Racketmeesters
description
Boek jouw Tennisles in Haarlem, Hoofddorp of Bloemendaal bij Racketmeesters! Specialist in tennis- en padelles voor junioren & senioren.

Technology

Server
Apache
CMS
WordPress 6.6.5
jQuery
3.7.1
Stack
PHP

Third-party hosts loaded (1)

  • www.facebook.com×1

Social

Contact

Phone

DNS records live

NS
  • webhostingserver.g1-dns.com
  • webhostingserver.g1-dns.one
MX
  • 10 mail.racketmeesters.nl

Email authentication strong

SPF
v=spf1 a mx include:_spf.webhostingserver.nl ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-23 to 2026-08-21
Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.racketmeesters.nl/

present
  • referrer-policy
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
Header values
referrer-policy
no-referrer-when-downgrade
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

Links to (6)

Linked from (1)