theoi.com
Observed 2026-07-17T14:13:31.832241908+00:00 (11h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Secured byGoogle Trust Services
Registered withGoDaddy.com, LLC
Also usesGoogle Search Console
IPv6 · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat theoi.com actually stands on - every host below is a signed observation
theoi.com
A / AAAA
104.21.54.254172.67.170.42606:4700:3030::6815:36fe2606:4700:3037::ac43:aa04
Cloudflareserves the site
NS
jason.ns.cloudflare.comzoe.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
theoi.com
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.54.254172.67.170.4
AAAA 2
2606:4700:3030::6815:36fe2606:4700:3037::ac43:aa04
TXT 1
google-site-verification=R_QG4PxrUgspXbBNObeLaykI8WVNoWj4ikYltjb0nkM
NS 2
jason.ns.cloudflare.comzoe.ns.cloudflare.com
SOA 1
jason.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
theoi.com |
C=US, O=Google Trust Services, CN=WE1 | Sun, 30 Aug 2026 08:47:36 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +0000 |
Subdomains (0)
None observed.
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
55c526ae-e4c6-4014-9cbe-3016302a93b5- Output Hash
c6a76fdbeda8ed8ebb431c54fddefd47691c4320d94904e978e6ef67b2fb002b- Signature
ed25519:d5aa524a847e2207891484fdfc03a1957666c4410af2669ac847c73dbdfb285dd741c377da272645394d23381d8b452d5e966000147696a788b533b9d4f3cb0d- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast