rubbertree.app

Observed Jul 25, 2026, 18:25 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

tranco

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

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

rubbertree.app

A / AAAA

216.150.1.1

unattributedserves the site

heidi.ns.cloudflare.comnolan.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

rubbertree.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 2

v=spf1 include:_spf.google.com include:sendgrid.net ~all
v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;

NS 2

heidi.ns.cloudflare.com
nolan.ns.cloudflare.com

SOA 1

heidi.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`rubbertree.app`	C=US, O=Let's Encrypt, CN=YR2	Sun, 18 Oct 2026 16:25:07 +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 rubbertree.app. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_95c3673c5a2bf2cf
Output Hash: a9fbf143a9137180729e138141e376bd7dcacda66c2aea5318e9e0410a669f75
Signature: ed25519:a25b93f331629fc6ee645324420bc1608f2f67a447c2fd994d48595a69ed3e959ad99178a94ad12f8f9ff11ef14588bd93296e1b81961a2cfd25903e79c3b00a
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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