fas.org
Observed Jul 24, 2026, 03:28 UTC (3h 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
Email byGoogle Workspace
Secured byAmazon
Registered withGoDaddy.com, LLC
Also usesGoogle Search Console
4 subdomains · tranco_10k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat fas.org actually stands on - every host below is a signed observation
fas.org
A / AAAA
50.116.19.161
Cloudflareserves the site
NS
dimitris.ns.cloudflare.comcortney.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
alt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
fas.org
Amazonissued its certificate
HTTPS probe
ok
Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time43 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 1
50.116.19.161
MX 5
5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com1aspmx.l.google.com
TXT 7
MS=30879FAE6998B1D64DFF6A578BAADC9BD072313Cv=spf1 include:_spf.google.com include:amazonses.com include:spf.mandrillapp.com include:_spf.salesforce.com ~allMS=ms90557443google-site-verification=UShJ601ozUX4vXizlCkAqmRp3zwGP-05hEJ5HgklY-Egoogle-site-verification=8O5FwGq_9lvEbH_YCnzyiNNqiLNtQbwBmk-b0LG69Egv=DMARC1; p=none; rua=mailto:1b716921a573454eb6c8e923d48d9f60@dmarc-reports.cloudflare.net;v=DKIM1; (detected)
NS 2
dimitris.ns.cloudflare.comcortney.ns.cloudflare.com
SOA 1
cortney.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
rcpt_5b45e4910daed248- Output Hash
7aea0c13d8e6c38ea3632ae624d612110590a12c799d6e378735e0366d56979a- Signature
ed25519:dece00788170d4f575a1ae1ac3348e60b740328df4619889e201fb9b07a9ab978daf7d7e869c69ae626087bbcf6f44ca95ffd0061e9daccec461b4d3d3096a0e- Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff- Parent
(genesis)- Plane
- fast