indexo.dev

hortusleiden.nl

.nl crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 223 ms crawled 2026-05-30

NL · 91.210.127.59 · AS20559 Fundaments B.V.

Reputation 100/100

Classifying

HTML metadata

Title
Hortus botanicus Leiden | Oudste botanische tuin van Nederland
Description
Bezoek onze botanische tuin vol zeldzame en bijzondere planten. ✓ Unieke collecties uit de hele wereld ✓ In de binnenstad van Leiden. Bezoek onze tuinen.
Language
nl
Canonical
https://hortusleiden.nl/

Open Graph

title
Hortus botanicus Leiden | Oudste botanische tuin van Nederland
locale
nl
site name
Hortus Leiden
description
Bezoek onze botanische tuin vol zeldzame en bijzondere planten. ✓ Unieke collecties uit de hele wereld ✓ In de binnenstad van Leiden. Bezoek onze tuinen.

Technology

Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • www.youtube.com×2
  • translate.google.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone

DNS records live

NS
  • ns1.surfnet.nl
  • ns2.surfnet.nl
  • ns3.surfnet.nl
MX
  • 0 hortusleiden-nl.c-v1.mx.microsoft
TXT
  • RLJyHISwCQPiV1fiMrb4+aCGoL7RIAuRhtsfXB+pwkvh/kgCuqxBJozU8enB0H3CAFE8ixumndt8Zf8PAJBxxQ==
Verified for
  • HARICA
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:_spf.smtp.leidenuniv.nl ip4:82.94.205.36 a:gatekeeper.ticketteam.com a:mailing.ticketteam.cloud include:_spf.cre8ion.nl include:_spf.xqueue.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; sp=reject; fo=1; ri=86400; rua=mailto:dmarcreportsrua@issc.leidenuniv.nl; ruf=mailto:dmarcreportsruf@issc.leidenuniv.nl
policy: quarantine · sp=reject
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsGZ/pJLGZGbfYr9boE6q5Sj4OSbTIEVkK7Ux6Zhm0d2aM1kb194cAsXAvm0znJwfffwL4RvIh8VGxY…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArgL3Gi0y/xw5RG1ggTAAIuGMtQZn6OonCp8K4qjwO0PVO44mhN447fZG16FkYjvPzcLRd0QCkrZEfb…
selectors probed

Certificate (current)

R12
from 2026-05-11 to 2026-08-09
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://hortusleiden.nl/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
Header values
referrer-policy
unsafe-url
x-frame-options
SAMEORIGIN
permissions-policy
geolocation=(self)
x-content-type-options
nosniff
content-security-policy
block-all-mixed-content; base-uri 'self'; default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' localhost:* *.google.com *.gstatic.com www.google-analytics.com *.addtoany.com use.fontawesome.com *.youtube.com *.ytimg.com *.googleapis.com googleapis.com *.googletagmanager.com *.cloudflare.com *.vimeo.com *.formitable.com *.googleadservices.com *.openstreetmap.org *.openlayers.org www.clarity.ms rtb8.adscience.nl connect.facebook.net *.cookiecode.nl static.hortusleiden.nl; style-src 'self' 'unsafe-inline' *.googleapis.com googleapis.com *.google.com *.addtoany.com cloud.typography.com *.myfonts.net *.typekit.net *.cloudflare.com *.formitable.com *.gstatic.com *.openstreetmap.org *.openlayers.org static.hortusleiden.nl; font-src 'self' *.gstatic.com data: *.typekit.net *.cloudflare.com static.hortusleiden.nl; img-src 'self' data: *.google-analytics.com *.analytics-google.com *.gstatic.com *.googleapis.com googleapis.com *.google.com *.cloudflare.com *.openstreetmap.org c.cl
strict-transport-security
max-age=31536000

Links to (5)

Linked from (1)