cliffsnotes.com
Observed 2026-07-12T09:02:38.380Z (23h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Registered withGoDaddy.com, LLC
Also usesGoogle Search Console
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat cliffsnotes.com actually stands on - every host below is a signed observation
cliffsnotes.com
A / AAAA
172.64.148.137104.18.39.119
Cloudflareserves the site
NS
liv.ns.cloudflare.comlangston.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
alt4.aspmx.l.google.comalt1.aspmx.l.google.comalt3.aspmx.l.google.comalt2.aspmx.l.google.com+1 more
Google Workspacereceives its email
HTTPS probe
redirect
Redirecting (3xx) 301 → https://www.cliffsnotes.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time4 ms
DNS resolutionNOERROR
Redirect chain
https://www.cliffsnotes.com/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 2
172.64.148.137104.18.39.119
MX 5
10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com10alt3.aspmx.l.google.com5alt2.aspmx.l.google.com1aspmx.l.google.com
TXT 4
globalsign-domain-verification=D151191065D1DFB61FF73EF164ECC37Agoogle-site-verification=iujjMUAxV_bg2LRj8PkpLpD8iSYrUDl8zEJUG91aks0v=spf1 a mx include:_spf.google.com include:mail.zendesk.com include:amazonses.com redirect=cliffsnotes.com.hosted.spf-report.com include:helpscoutemail.com ~allglobalsign-domain-verification=28DB9FCEFBA2745B7F57EF614E9B8F17
NS 2
liv.ns.cloudflare.comlangston.ns.cloudflare.com
SOA 1
langston.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (0)
None.
Subdomains (4)
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
ed5b77c1-e03a-4a83-9f17-cb5669703994- Output Hash
9a69dcc1459ead541b0617b2ee4c6c15b903cab4c5fa191ab609a4a30768c18a- Signature
ed25519:b03fdb2751aebb8c86266b611207816cbbf2f4b1efb42b3adb58bb74f06228217f381f4683e14f3b17a43f7e8a945a55da4af01db1c005b05594377c3f592403- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast