indexo.dev

leerdammer.nl

.nl crawl

First seen 2026-05-16 · Last seen 2026-06-01 · ok HTTP/1.1 200 4621 ms crawled 2026-05-20

US · 45.223.137.80 · AS19551 Incapsula Inc

Reputation 100/100

Classifying

HTML metadata

Title
LEERDAMMER®
Description
LEERDAMMER® #GENIET ERVAN #VANDAAG
Language
nl_NL
Translations
  • nl

Technology

jQuery
1.10.2 known XSS (<3.5)
Analytics
  • Google Tag Manager
Cookie consent
  • OneTrust

Third-party hosts loaded (3)

  • cdn.cookielaw.org×2
  • ajax.googleapis.com×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • nsa.perf1.fr
  • nsb.perf1.com
  • nsc.perf1.com
MX
  • 10 mail5.leerdammer.nl
TXT
  • _pki-validation.leerdammer.nl
Verified for
  • GlobalSign
  • Google

Email authentication strong

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

GlobalSign Atlas R46 DV TLS CA 2026 Q2
from 2026-05-13 to 2026-08-11
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://leerdammer.nl/

present
  • strict-transport-security
  • content-security-policy-report-only
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-security-policy-report-only
default-src 'self' 'unsafe-eval' 'unsafe-hashes' 'unsafe-inline' data: blob: ; form-action 'none' ; frame-ancestors 'self' ; script-src 'unsafe-eval' 'unsafe-hashes' 'report-sample'; report-uri /csp_report

Links to (1)

Linked from (2)