useful.io

Observed Jul 27, 2026, 10:03 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 byLet's Encrypt

domcop

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

INFRASTRUCTURE MAPwhat useful.io actually stands on - every host below is a signed observation

useful.io

A / AAAA

52.20.84.62

Cloudflareserves the site

ns2.atom.comns1.atom.com

atom.comanswers its DNS

TLS

useful.io

Let's Encryptissued its certificate

DNS Records

A 1

52.20.84.62

TXT 1

f0095018235b8109a2bf9f65674a1784b6971ed6

NS 2

ns2.atom.com
ns1.atom.com

SOA 1

ns1.atom.com hostmaster.useful.io

TLS Certificates (3)

Common Name	Issuer	Expires
`useful.io`	C=US, O=Let's Encrypt, CN=YR1	Tue, 15 Sep 2026 01:04:42 +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 useful.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_d87db34a81b095a6
Output Hash: 50a49593bf8055e8ab153f687aa52d2d672f52a29fdb8c8ac366da12f6addae3
Signature: ed25519:dbcbd66c7d7596de8ee13e5b0339a88dca1d0a16f4abf6d68173c6b1f00083f9102d61c8bf909e86fd38fe37941f8f7f4fd90e01d1a9d978cba8cb77b8cd3901
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/useful.io