CONTINUOUS INTERNET TELEMETRY24H DRIFT39,355 material changesacross 37,705 domains · 24h to ~2h ago · -1,505 vs yesterdayNOW554 curated domains not reachablelast probe, steadySITE ERRORS34,565 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,805 sites429 rate-limit / 403 bot-block, a posture signal

upr.org

Observed Jul 25, 2026, 03:22 UTC (8d 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.

Not responding
Signed observation on record.
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat upr.org actually stands on - every host below is a signed observation
upr.org
A / AAAA
52.3.92.3035.168.120.93.218.5.110
unattributedserves the site
NS
ns53.worldnic.comns54.worldnic.com
worldnic.comanswers its DNS
MX
mail.utahpublicradio.org
utahpublicradio.orgreceives its email

DNS Records

A 3

  • 52.3.92.30
  • 35.168.120.9
  • 3.218.5.110

MX 1

  • 10mail.utahpublicradio.org

NS 2

  • ns53.worldnic.com
  • ns54.worldnic.com

SOA 1

  • NS53.WORLDNIC.COM namehost.WORLDNIC.COM

TLS Certificates (0)

None.

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

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

Ed25519 Receipt

Receipt ID
rcpt_2778ccf329277e0b
Output Hash
a18095ce269e10491b9a4d37e68cd41097dcb458905aad2d4684232d213dcaa7
Signature
ed25519:855ef5352098e6f69ecec6c8098a7275a00207a19afc904614d85c78666a01b492e7c9c47c78eec124a2c48920bd14d833c5fd5f27fcd1cfd976579b5b321105
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser