rlhfbook.com
Observed Aug 10, 2026, 19:48 UTC (21h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Runs onCloudflare
Secured byGoogle Trust Services
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rlhfbook.com actually stands on - every host below is a signed observation
rlhfbook.com
A / AAAA
172.67.209.53104.21.23.522606:4700:3032::ac43:d1352606:4700:3033::6815:1734
Cloudflareserves the site
NS
marjory.ns.cloudflare.comviddy.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
rlhfbook.com
Google Trust Servicesissued its certificate
DNS Records
A 2
172.67.209.53104.21.23.52
AAAA 2
2606:4700:3032::ac43:d1352606:4700:3033::6815:1734
NS 2
marjory.ns.cloudflare.comviddy.ns.cloudflare.com
SOA 1
marjory.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
rlhfbook.com |
C=US, O=Google Trust Services, CN=WE1 | Sat, 24 Oct 2026 12:05:54 +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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_03be6e04650b5203- Output Hash
85ceee6799f7e4caa60862fb196345fb0f4bfa01e77d424338dd3259f2f4ac35- Signature
ed25519:1f707eda00b9265d6fa652945f9af66760a6dd29031d6a7cb4e7bf32f8e01e82a50c890cef6877c943ff411a353d0509c39d45999f69585df9e3f2ee3eadcd0e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast