crtholland.nl

.nl crawl

First seen 2026-06-09 · Last seen 2026-06-10 · ok HTTP/1.1 200 431 ms crawled 2026-06-09

NL · 37.97.223.215 · AS20857 Signet B.V.

Reputation 94/100 dmarc monitor-only

sector automotive type homepage

HTML metadata

Title: CRT | Aanbieder van circuitdagen voor motoren TT circuit Assen sinds 1992
Description: home
Language: nl
Canonical: https://crtholland.nl/

Technology

Server: nginx
CMS: Gatsby
Stack: Django

Analytics

Google Tag Manager

Social widgets

YouTube Embed

Third-party hosts loaded (2)

www.googletagmanager.com×2
www.youtube.com×1

Contact

Phone

Registration

Registrar

Registrar.eu

Created

2000-03-23

Updated

2026-06-01

Name servers

ns3.sectigoweb.com
ns4.sectigoweb.com
ns1.sectigoweb.com
ns2.sectigoweb.com

DNS records live

NS

ns1.sectigoweb.com
ns2.sectigoweb.com
ns3.sectigoweb.com
ns4.sectigoweb.com

MX

10 crtholland-nl.mail.protection.outlook.com

Verified for

Google
Microsoft 365

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:mailgun.org a:svr1.creativepassenger.com ip4:62.221.203.58 ip4:46.249.37.168 ip4:185.104.29.12 ip6:2a06:2ec0:1:0:0:0:0:82 ip4:198.2.143.132 include:filter-out.zxcs.nl  include:_spf.transip.email ~all

softfail (~all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDvfduF9/Zq4hILsZbmOCi9fRw48iNvTqu4NgO2W6NgPPI7bynHqE3qZX2GKAMDvgSYP9por1bwhCT+ybJCz/…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

R12

from 2026-05-15 to 2026-08-13

Expires in 63 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://crtholland.nl/

present

x-frame-options
x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: same-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff

Links to (10)

Linked from (4)

Use this data via API

Everything on this page for crtholland.nl is available as JSON from the indexo.dev REST & MCP API.

curl "https://indexo.dev/api/v1/domains/crtholland.nl" \
  -H "X-API-Key: idx_..."

Read the docs & get a free key →