CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 35,866 material changesacross 35,253+ domains · 24h to ~4h ago · a floor, 20h of 24 walkedNOW561 curated domains not reachablelast probe, steadySITE ERRORS34,438 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,732 sites429 rate-limit / 403 bot-block, a posture signal

usef.org

Observed Jul 27, 2026, 15:31 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 byGoDaddy.com
Also usesGoogle Search Console
IPv6 · 13 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usef.org actually stands on - every host below is a signed observation
usef.org
A / AAAA
104.18.9.231104.18.8.2312606:4700::6812:9e72606:4700::6812:8e7
Cloudflareserves the site
NS
clay.ns.cloudflare.comtia.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mx1.hc5400-24.iphmx.commx2.hc5400-24.iphmx.com
iphmx.comreceives its email
TLS
www.usef.org
GoDaddy.comissued its certificate

DNS Records

A 2

  • 104.18.9.231
  • 104.18.8.231

AAAA 2

  • 2606:4700::6812:9e7
  • 2606:4700::6812:8e7

MX 2

  • 10mx1.hc5400-24.iphmx.com
  • 10mx2.hc5400-24.iphmx.com

TXT 12

  • 8t3ekqpofk5n6fm0b738pa66fu
  • MS=ms52918994
  • apple-domain-verification=Br96ofqemmBnJa4J
  • cisco-ci-domain-verification=679d9e4f136e4a47b12d44b559549f2197ca4f9f6fabb7a35793a7460551ec6b
  • google-site-verification=iPonj4U3FwNlc8UUc8CcSK2g83uJ3dsMXmArz6cfGi8
  • google-site-verification=lbt0xTe7v6X20o3i12-T7G7hG2YtTehe6wgd4TjVkqw
  • google-site-verification=xxMfeEDGtAInJGR7ARCsNcZbgoceeQ4P0-0T3RDDzBg
  • inu4r6p64ptaogadthej9v2lje
  • ms-domain-verification=b0d2ff7e-9153-40cc-a0ce-8583aac23162
  • v=spf1 include:spf.protection.outlook.com exists:%{i}.spf.hc5400-24.iphmx.com ip4:139.138.59.212 ip4:139.138.35.88 ip4:216.170.20.137 ip4:216.170.20.135 ~all

NS 2

  • clay.ns.cloudflare.com
  • tia.ns.cloudflare.com

SOA 1

  • clay.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
www.usef.org C=US, ST=Arizona, L=Scottsdale, O=GoDaddy.com, Inc., 2.5.4.11=http://certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2 Sun, 22 Nov 2026 18:42:28 +0000
Go Daddy Secure Certificate Authority - G2 C=US, ST=Arizona, L=Scottsdale, O=GoDaddy.com, Inc., CN=Go Daddy Root Certificate Authority - G2 Sat, 03 May 2031 07:00:00 +0000
Go Daddy Root Certificate Authority - G2 C=US, O=The Go Daddy Group, Inc., 2.5.4.11=Go Daddy Class 2 Certification Authority Fri, 30 May 2031 07:00:00 +0000

Subdomains (13)

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 usef.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_9e525df92e13ffd2
Output Hash
84451360aefc4e7f38fc13583b1d0f9aad6a640333a82f9632cf301936f785a5
Signature
ed25519:f6324ee61300f8ca30b3822530bd06a185917f06e6296e0421bbfaa39b81c301a837d64e90cc68a1f4a1d92a75a1e2f331eb05875935c84c46f74ab0e92fd401
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser