knaw.nl
Observed 2026-07-12T07:04:33.679Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.
Guarded by a firewall
Runs onCloudflare
Email byMicrosoft 365
Also usesGoogle Search ConsoleAtlassian
IPv6 · 6 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat knaw.nl actually stands on - every host below is a signed observation
knaw.nl
A / AAAA
75.2.96.23999.83.229.362600:9000:a603:d4ab:3b46:6664:541:3b6c2600:9000:a715:397e:a2c2:110b:23d8:9a4f
Cloudflareserves the site
NS
ns2.surfnet.nlns3.surfnet.nlns1.surfnet.nlns1.zurich.surf.net
surfnet.nl + surf.netanswers its DNS
MX
knaw-nl.mail.protection.outlook.com
Microsoft 365receives its email
HTTPS probe
bot_blocked
Blocked our probe (WAF / bot protection) 403 blocked by cloudflare - bot protection active
HTTP status403
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time484 ms
DNS resolutionNOERROR
Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 2
75.2.96.23999.83.229.36
AAAA 2
2600:9000:a603:d4ab:3b46:6664:541:3b6c2600:9000:a715:397e:a2c2:110b:23d8:9a4f
MX 1
0knaw-nl.mail.protection.outlook.com
TXT 14
bw=PyPBZFeE2tQkoeBRxXYmeBuS3uLfkdcUswjyyL973iS6adobe-idp-site-verification=e574ceb69375114ec72f4bc11ec46141ec4c1c194117b84d37a333c9a1375d04v=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 -allmCkVvXn6dUZyrFXWsGknbJGIaEbjWNeL3Rg2I92MbXPcArPmEMCPNv15sm0x65tcpO+jrI5Lt1gUi9X1EySVOw==google-site-verification=94L39qL06lBH7le4wa74Yq2Me0ByOxWwLc7WdL8AA3sHARICA-vvDQGK7pd3xxArhCoJDhave-i-been-pwned-verification=b1fd016e7cf47b73cf71b12f8ed10003procurios-site-verification=gagUhW73NFSdoza3Vaj3atlassian-domain-verification=9CeGC9xO7peuiHdqk16OTwnXaYfFs3iy9LGVIXxD/OxiJfEJahXbqX7Q5jrUrqJ2google-site-verification=HfgEEpjNWwaecSYe8KnNATWfrzAExHVBlvTsuA7kGnk
NS 4
ns2.surfnet.nlns3.surfnet.nlns1.surfnet.nlns1.zurich.surf.net
SOA 1
ns1.surfnet.nl dns-beheer.surf.nl
CAA 5
issue letsencrypt.orgiodef mailto:knawnet@knaw.nlissue amazonaws.comissue harica.grissuewild harica.gr
TLS Certificates (0)
None.
Subdomains (6)
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
4fa832df-db9c-4a6d-acbc-3c9838321ce3- Output Hash
80d0b3111d49579d7cf2a572e957e2664f513e63cd45ef7fed02b207eb6cdfcf- Signature
ed25519:f94321b4387c37b530a0d69c41a124e8f59a2fdd7372180b5bc7a778413d6608bf8951cf4484d4dcb1555e83e5fd48caf768968d4156306c05c1e702701fde01- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast