anthropic.com
Observed 2026-07-17T19:18:53.443Z (14h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Also uses1PasswordGoogle Search ConsoleSlackAtlassianStripe
IPv6 · 11 subdomains · ai_ml
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat anthropic.com actually stands on - every host below is a signed observation
anthropic.com
A / AAAA
160.79.104.102607:6bc0::10
Cloudflareserves the site
NS
randy.ns.cloudflare.comisla.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
alt4.aspmx.l.google.comalt3.aspmx.l.google.comaspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
HTTPS probe
redirect
Redirecting (3xx) 301 → https://www.anthropic.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/3
TLS issuernot observed
Behind Cloudflareyes
Response time52 ms
DNS resolutionNOERROR
Redirect chain
https://www.anthropic.com/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
160.79.104.10
AAAA 1
2607:6bc0::10
MX 5
10alt4.aspmx.l.google.com10alt3.aspmx.l.google.com1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 27
MS=ms86816014segment-site-verification=bh66TwguDMclltZFX2wYU8sv2xwL0jYt1password-site-verification=TO6XSBV6G5CTTA3Z3KKW2BS44Mca3-f11ea7ccbb494dba9a917fa7a141e281google-site-verification=hcpp8MUuEqp_24yZzaMvQheLydlnxVWZ4Bbsv3rJoccelevenlabs=gYHFc9PeL2d2VTBdDhfMyRlxwOup_wM5bPLhmo2zux06c43f0e4-7a6e-41f1-b393-a467b815c9abv=spf1 include:_spf.google.com ~allcursor-domain-verification-crx2da=6b38eKFnztmRYqLTALmFfsXSOslack-domain-verification=j7g4p0r5GSLrk9O1CswTYqsKJRFURuy5qGKvmAbU
NS 2
randy.ns.cloudflare.comisla.ns.cloudflare.com
SOA 1
isla.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (0)
None.
Subdomains (11)
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
92d0490a-74f3-4158-806b-eb05c91e4501- Output Hash
0082fa34a5acb4190952eddf413be1e35736aed0e903a5c258e5c6b54b65e9a7- Signature
ed25519:8b0ae1a1e7c5d87ea573cdf01330a97b8dc328b294d8eb4e90186b5d2f9b298aefdc65d27168476b60525a82f675d1e59af98ee9b627fd0222eb9bc68d1bf602- Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff- Parent
(genesis)- Plane
- fast