indexo.dev

knaw.nl

.nl crawl

First seen 2026-05-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 5904 ms crawled 2026-05-16

US · 99.83.229.36 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Welkom bij de Koninklijke Nederlandse Akademie van Wetenschappen - KNAW
Description
Welkom bij de Koninklijke Nederlandse Akademie van Wetenschappen
Language
nl
Translations
  • en
  • nl

Open Graph

url
https://knaw.nl/
title
Welkom bij de Koninklijke Nederlandse Akademie van Wetenschappen - KNAW
description
Welkom bij de Koninklijke Nederlandse Akademie van Wetenschappen

Technology

Server
Apache
CMS
Next.js

Contact

Email
Phone

Registration

Registrar
SURF B.V.
Created
1994-10-03
Updated
2026-03-31
Name servers
  • ns1.surfnet.nl
  • ns1.zurich.surf.net
  • ns3.surfnet.nl
  • ns2.surfnet.nl

DNS records live

NS
  • ns1.surfnet.nl
  • ns1.zurich.surf.net
  • ns2.surfnet.nl
  • ns3.surfnet.nl
MX
  • 0 knaw-nl.mail.protection.outlook.com
TXT
Show 11 TXT records
  • bw=PyPBZFeE2tQkoeBRxXYmeBuS3uLfkdcUswjyyL973iS6
  • mCkVvXn6dUZyrFXWsGknbJGIaEbjWNeL3Rg2I92MbXPcArPmEMCPNv15sm0x65tcpO+jrI5Lt1gUi9X1EySVOw==
  • have-i-been-pwned-verification=b1fd016e7cf47b73cf71b12f8ed10003
  • google-site-verification=HfgEEpjNWwaecSYe8KnNATWfrzAExHVBlvTsuA7kGnk
  • HARICA-vvDQGK7pd3xxArhCoJD
  • apple-domain-verification=Kx3upsCHpUwCVztU
  • atlassian-domain-verification=9CeGC9xO7peuiHdqk16OTwnXaYfFs3iy9LGVIXxD/OxiJfEJahXbqX7Q5jrUrqJ2
  • procurios-site-verification=gagUhW73NFSdoza3Vaj3
  • adobe-idp-site-verification=e574ceb69375114ec72f4bc11ec46141ec4c1c194117b84d37a333c9a1375d04
  • google-site-verification=94L39qL06lBH7le4wa74Yq2Me0ByOxWwLc7WdL8AA3s
  • google-site-verification=PA5clm1yBwUuQdkN5N0q_7xjZWXFMLR8nB2gLkVtX-A

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:_spf.knaw.nl include:servers.mcsv.net ip4:5.39.185.32/29 ip4:185.181.140.187 ip4:87.253.234.71 ip4:87.253.234.73 ip4:87.253.234.85 include:spam1.htx.nl include:spf.mailjet.com include:_spf-dc55.sapsf.eu include:spf.topdesk.net -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@knaw.nl; rf=iodef;
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDFyVfURHJYiM/vI+GECQ7wlLvlAJg2zcPvzUMyK9yyHBTjEStv5UG/SFlW8AEkfid5o684z3V/NpBbvb+f1A…
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPEjAwlbNXkopZHkqScI2Gjs01wDywUwPCsFikAJCWTvEE762w/aZ4pRxnbH9CoA3mK/C3XijNnaR10n5oBM…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

GEANT TLS RSA 1
from 2025-12-11 to 2026-12-11
Expires in 206 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.knaw.nl/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
  • referrer-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing frame protection
  • weak content type protection
  • missing Permissions Policy
Header values
referrer-policy
same-origin;
x-content-type-options
nosniff;
content-security-policy
default-src 'self'; script-src 'self' 'sha256-LQnC+k6vutVzAdw5UhP0U7LbNIIpURkrOaZfZfQFnH4='; script-src-elem 'self' 'sha256-LQnC+k6vutVzAdw5UhP0U7LbNIIpURkrOaZfZfQFnH4=' https://www.google-analytics.com/ https://www.googletagmanager.com/ https://embed.email-provider.eu/; style-src 'unsafe-inline' https://*.knaw.nl/ https://fast.fonts.net/ https://fonts.googleapis.com/ https://embed.email-provider.eu/; font-src 'self' data: https://fonts.gstatic.com/; frame-src 'self' https://www.youtube.com/ https://contactcenter.laposta.nl/; img-src 'self' https://storage.knaw.nl/ https://*.cloudfront.net/ https://www.google-analytics.com https://www.googletagmanager.com https://www.google.com https://www.google.nl https://www.google.de data:; frame-ancestors 'self' https://contactcenter.laposta.nl/; connect-src 'self' https://*.knaw.nl/ https://*.algolia.net https://*.bugsnag.com/ https://*.google-analytics.com/ https://*.analytics.google.com https://stats.g.doubleclick.net/ https://embed.email-provi
strict-transport-security
max-age=31536000; includeSubDomains; preload;

Links to (1)

Linked from (8)