usableefficiency.net

Observed Jul 27, 2026, 04:26 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

Runs onCloudflare

Secured byGoogle Trust Services

IPv6 · domcop

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

INFRASTRUCTURE MAPwhat usableefficiency.net actually stands on - every host below is a signed observation

usableefficiency.net

A / AAAA

104.21.15.98172.67.162.372606:4700:3035::6815:f622606:4700:3033::ac43:a225

Cloudflareserves the site

jacqueline.ns.cloudflare.commario.ns.cloudflare.com

cloudflare.comanswers its DNS

TLS

usableefficiency.net

Google Trust Servicesissued its certificate

DNS Records

A 2

104.21.15.98
172.67.162.37

AAAA 2

2606:4700:3035::6815:f62
2606:4700:3033::ac43:a225

NS 2

jacqueline.ns.cloudflare.com
mario.ns.cloudflare.com

SOA 1

jacqueline.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`usableefficiency.net`	C=US, O=Google Trust Services, CN=WE1	Tue, 22 Sep 2026 18:27:16 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +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 usableefficiency.net. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_689d6cbcd9fb0f6c
Output Hash: 1f82afae73f0c8b7ba93c1b1b46af389b3ad887f00f7083d7b126ebc59b95454
Signature: ed25519:001a9204bc25c1974576d867c699f80f21f9e65bce8616c1726647f574d4b98ae9ceb9077c96905c25d887aefbe817d4f93fb0ee9c2c38805a5bcb3af374e900
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/usableefficiency.net