CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 34,559 material changesacross 33,967+ domains · 24h to ~4h ago · a floor, 20h of 24 walkedNOW566 curated domains not reachablelast probe, steadySITE ERRORS34,433 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,712 sites429 rate-limit / 403 bot-block, a posture signal

usefulness.info

Observed Jul 27, 2026, 04:14 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.

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 usefulness.info actually stands on - every host below is a signed observation
usefulness.info
A / AAAA
104.21.54.251172.67.143.1912606:4700:3030::6815:36fb2606:4700:3034::ac43:8fbf
Cloudflareserves the site
NS
garret.ns.cloudflare.comgigi.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
route2.mx.cloudflare.netroute3.mx.cloudflare.netroute1.mx.cloudflare.net
cloudflare.netreceives its email
TLS
usefulness.info
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 104.21.54.251
  • 172.67.143.191

AAAA 2

  • 2606:4700:3030::6815:36fb
  • 2606:4700:3034::ac43:8fbf

MX 3

  • 28route2.mx.cloudflare.net
  • 8route3.mx.cloudflare.net
  • 93route1.mx.cloudflare.net

TXT 1

  • v=spf1 include:_spf.mx.cloudflare.net ~all

NS 2

  • garret.ns.cloudflare.com
  • gigi.ns.cloudflare.com

SOA 1

  • garret.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
usefulness.info C=US, O=Google Trust Services, CN=WE1 Tue, 29 Sep 2026 18:42:54 +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 usefulness.info. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_8f13c46646521331
Output Hash
d292cde17ec38654950c6dbce5ec89a632c55317c8f074661454ee9e4f1b295c
Signature
ed25519:e540cafc5c53eb17e97d2addd9be8968bf190ace0573578662d7a6ebecedb813f52a181e2433d4c4a582ddba9a7ba511f80720e92430c3ea322c446454bc6503
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser