yn.app

Observed Jul 27, 2026, 10:10 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.

Verify this receipt yourself + Watch this domain

Up right now

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesGoogle Search Console

tranco

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

INFRASTRUCTURE MAPwhat yn.app actually stands on - every host below is a signed observation

yn.app

A / AAAA

216.150.1.1

unattributedserves the site

kianchau.ns.cloudflare.comwren.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

yn.app

Let's Encryptissued its certificate

DNS Records

A 1

216.150.1.1

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 3

google-site-verification=GRVJ6mYxloJfVzX7QnYluhoKxb3h_AQ77CJtEpXcIK8
google-site-verification=U6Oz5NCDO8bYh_fctl2mdcF0IPqN0HU0Mm7YaF4QAwI
v=spf1 include:_spf.google.com -all

NS 2

kianchau.ns.cloudflare.com
wren.ns.cloudflare.com

SOA 1

kianchau.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`yn.app`	C=US, O=Let's Encrypt, CN=YR2	Tue, 06 Oct 2026 10:41:51 +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.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_63d32e443fa3e478
Output Hash: 5c6f573118f7f7dd0bb3e729265ebf8b6d46dca3028144faecec5f9a977fc0cf
Signature: ed25519:e8b08a3e36c361c47750078e35e062470dca15156c91e37b7faffd4e4edd83ab54bb7043bcaff4af88ddde6273e346a6f76bc7a9b6b5f685652fd758d8efc207
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/yn.app