indexo.dev

leerjeerfgoed.nl

.nl ok HTTP/1.1 200 196 ms

First seen 2026-06-04 · Last seen 2026-06-18 · crawled 2026-06-18

NL · 37.97.217.158 · AS20857 Signet B.V.

Reputation 95/100 weak security headers

sector education subsector elearning type homepage

HTML metadata

Title
Leer je Erfgoed
Description
Leer je Erfgoed is het e-learningplatform voor iedereen die actief is in de erfgoedsector.

Technology

Server
Apache
Stack
PHP

DNS records live

NS
  • ns1.premiumdns.zone
  • ns2.premiumdns.zone
MX
  • 0 leerjeerfgoed-nl.mail.protection.outlook.com
TXT
  • mandrill_verify.pCz8jvDtNGaI93aGEfGWQ
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; sp=reject; rua=mailto:watchdog4@watchdog.kevlarr.io; adkim=r; aspf=r;
policy: reject (enforced) · sp=reject
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0wJfq6MdWEgn5LMpXK4EYXPz3fX8rfKI47TJq+u7/mqKLtaJ0nUkIbeyZ2dAPRFctUrcJ0hH91LP9j…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxpS7z2qcLAEsRwv+2NznDQbPmJ8NtcrNHOTFh1J9KlVb8NbF1kk0zVNzEx46oTxC14DZCclbwoZof3…
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
selectors probed

Certificate (current)

R13
from 2026-05-05 to 2026-08-03
Expires in 44 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://leerjeerfgoed.nl/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (3)

Linked from (1)

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