indexo.dev

schaakopeningessenties.nl

.nl crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 1335 ms crawled 2026-05-30

US · 35.190.31.54 · AS396982 Google LLC

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Schaakopening Essenties - Online training voor clubschakers
Description
Als clubschaker na één middag een opening begrijpen en spelen? Met Schaakopening Essenties kan dat. Goede uitleg in het Nederlands!
Language
nl-NL
Generator
Site Kit by Google 1.179.0
Canonical
https://www.schaakopeningessenties.nl/

Open Graph

url
https://www.schaakopeningessenties.nl/
title
Home
locale
nl_NL
site name
Schaakopening Essenties
description
Als clubschaker na één middag een opening begrijpen en spelen? Met Schaakopening Essenties kan dat. Goede uitleg in het Nederlands!

Technology

Server
nginx
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • secure.gravatar.com×3
  • www.googletagmanager.com×3
  • gmpg.org×1

Contact

Phone

DNS records live

NS
  • ns1.siteground.net
  • ns2.siteground.net
MX
  • 10 mx10.antispam.mailspamprotection.com
  • 20 mx20.antispam.mailspamprotection.com
  • 30 mx30.antispam.mailspamprotection.com
Verified for
  • Google

Email authentication partial

SPF
v=spf1 +a +mx +ip4:35.214.237.160 include:schaakopeningessenties.nl.spf.auto.dnssmarthost.net include:emsd1.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; pct=100; rua=mailto:info@schaakopeningessenties.com
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDXh0i21Hu5+KePXaNJdq6YbKrIfLWEDYcfr2J95wWhKxOV9FPRq8EvD5z/q9kz7PEeIGvWnEuKvEe1Nkv0H3…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R12
from 2026-05-10 to 2026-08-08
Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.schaakopeningessenties.nl/

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Linked from (1)