indexo.dev

operaaanzee.nl

.nl crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 2663 ms crawled 2026-06-01

NL · 185.182.57.93 · AS48635 Your Hosting B.V.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Home - Opera aan Zee - Opera aan Zee
Description
Opera aan Zee 2025
Language
nl-NL
Generator
Site Kit by Google 1.179.0
Canonical
https://www.operaaanzee.nl/
Feeds

Open Graph

url
https://www.operaaanzee.nl/
title
Home - Opera aan Zee - Opera aan Zee
locale
nl_NL
site name
Opera aan Zee
description
Opera aan Zee 2025

Technology

Server
Apache
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • maxcdn.bootstrapcdn.com×2
  • gmpg.org×1
  • www.googletagmanager.com×1

Contact

Email

DNS records live

NS
  • ns1.openprovider.nl
  • ns2.openprovider.be
  • ns3.openprovider.eu
MX
  • 0 mail.operaaanzee.nl

Email authentication weak

SPF
v=spf1 a mx ip4:185.182.57.93 ip4:185.175.201.80 a:spf.spamexperts.axc.nl -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-12-08 to 2026-12-09
Expires in 188 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.operaaanzee.nl/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self' ; upgrade-insecure-requests;
strict-transport-security
max-age=63072000; includeSubDomains;preload

Linked from (1)