reactjs.org

Observed Jul 29, 2026, 14:00 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onAmazon

Email byMandrill (Mailchimp)

Secured byLet's Encrypt

Also usesGoogle Search Console

tranco_20k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat reactjs.org actually stands on - every host below is a signed observation

reactjs.org

A / AAAA

76.76.21.21

Amazonserves the site

hattie.ns.cloudflare.comjunade.ns.cloudflare.com

cloudflare.comanswers its DNS

TLS

reactjs.org

Let's Encryptissued its certificate

DNS Records

A 1

76.76.21.21

TXT 3

google-site-verification=8cSSWOK5msv3tzIFqXSvcb-KzSdG_E9g_H0bLIKhcWE
google-site-verification=phixj4WdeUCjzqWQjOkCLkD8y6oeiJbqnCihojcYOWA
v=spf1 include:spf.mandrillapp.com include:sparkpostmail.com ~all

NS 2

hattie.ns.cloudflare.com
junade.ns.cloudflare.com

SOA 1

hattie.ns.cloudflare.com dns.cloudflare.com

CAA 10

issue "comodoca.com"
issue "digicert.com; cansignhttpexchanges=yes"
issue "letsencrypt.org"
issue "pki.goog; cansignhttpexchanges=yes"
issue "ssl.com"
issuewild "comodoca.com"
issuewild "digicert.com; cansignhttpexchanges=yes"
issuewild "letsencrypt.org"
issuewild "pki.goog; cansignhttpexchanges=yes"
issuewild "ssl.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`reactjs.org`	C=US, O=Let's Encrypt, CN=YR1	Thu, 15 Oct 2026 13:55:05 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for reactjs.org. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/reactjs.org">
  <img src="https://domaindrift.io/badge/reactjs.org.svg"
       width="300" height="64" alt="DomainDrift signed observations for reactjs.org">
</a>

Ed25519 Receipt

Receipt ID: rcpt_44475cdfc36cf7df
Output Hash: 902ac6ce22635b31616c0ec9115995708e7e13ae6a59fe9e3e04f43ea0ffbc07
Signature: ed25519:882ef1d2310d130400143cd8e023e1e0a4ea1b0a1c50520268a9ab811e1030cc4720beaf37c6d09168ed68e34c30636698d86d8caebdd09195b5e1749ddc3102
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/reactjs.org