headlessui.com
Observed 2026-07-14T01:55:40.537Z (7h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Registered withTucows Domains Inc.
IPv6 · 1 subdomain · misc
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat headlessui.com actually stands on - every host below is a signed observation
headlessui.com
A / AAAA
172.67.188.196104.21.49.122606:4700:3033::ac43:bcc42606:4700:3032::6815:310c
Cloudflareserves the site
NS
roxy.ns.cloudflare.comanuj.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt2.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
HTTPS probe
ok
Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time180 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
172.67.188.196104.21.49.12
AAAA 2
2606:4700:3033::ac43:bcc42606:4700:3032::6815:310c
MX 5
1aspmx.l.google.com5alt2.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com10alt3.aspmx.l.google.com
TXT 2
v=spf1 include:_spf.google.com ~allv=DKIM1; (detected)
NS 2
roxy.ns.cloudflare.comanuj.ns.cloudflare.com
SOA 1
anuj.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (0)
None.
Subdomains (1)
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
c2ad4273-ffc5-4741-a241-c15903d40934- Output Hash
f80caeeb29e673e5d4cf38676ee004a3db8a4f675eccce0e327046d96591fa38- Signature
ed25519:495d0be410b946b9391592eb0468ddec5496b5bfaf60b3c430d75803ebed4e51988376d589d5353f780ecc10cdd3fcf9585209df56c6a13a83f9293af9ed9701- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast