yjs.dev

Observed Jul 27, 2026, 15:19 UTC (6d 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.

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Up right now

Secured byLet's Encrypt

tranco

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

INFRASTRUCTURE MAPwhat yjs.dev actually stands on - every host below is a signed observation

yjs.dev

A / AAAA

76.76.21.21

unattributedserves the site

dns1.p04.nsone.netdns2.p04.nsone.netdns3.p04.nsone.netdns4.p04.nsone.net

nsone.netanswers its DNS

TLS

yjs.dev

Let's Encryptissued its certificate

DNS Records

A 1

76.76.21.21

NS 4

dns1.p04.nsone.net
dns2.p04.nsone.net
dns3.p04.nsone.net
dns4.p04.nsone.net

SOA 1

dns1.p04.nsone.net hostmaster.nsone.net

TLS Certificates (3)

Common Name	Issuer	Expires
`yjs.dev`	C=US, O=Let's Encrypt, CN=YR2	Tue, 29 Sep 2026 20:03:39 +0000
`YR2`	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.

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

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

Ed25519 Receipt

Receipt ID: rcpt_c369a1317e6a3969
Output Hash: da61e82f8ae0a34bc1deb106499dbf29759ff315a973e83a8d35e3b5d8ce3a30
Signature: ed25519:f58405e9897f49c0b0b6fe4ea777e447eda4f5ce49321a5395e0e1252b91374d5ff2d68820460986aa58031a4fed781a04d2ba0de4802529546b5feb5c156403
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/yjs.dev