CONTINUOUS INTERNET TELEMETRY24H DRIFT39,267 material changesacross 37,658 domains · 24h to ~25m ago · -1,593 vs yesterdayNOW554 curated domains not reachablelast probe, steadySITE ERRORS34,566 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,805 sites429 rate-limit / 403 bot-block, a posture signal

ust.is

Observed Jul 25, 2026, 17:09 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.

Up right now
Email byMicrosoft 365
Secured byGlobalSign
Also usesGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ust.is actually stands on - every host below is a signed observation
ust.is
A / AAAA
82.221.64.168
unattributedserves the site
NS
dell2.netvistun.isdell.netvistun.is
netvistun.isanswers its DNS
MX
ust-is.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.ust.is
GlobalSign nv-saissued its certificate

DNS Records

A 1

  • 82.221.64.168

MX 1

  • 10ust-is.mail.protection.outlook.com

TXT 6

  • MS=ms15812664
  • v=spf1 include:spf.protection.outlook.com ip4:93.95.74.0/24 ip4:157.157.91.134 ip4:157.157.92.82 ip4:94.142.152.5 ip4:93.95.74.93 include:spf.hysing.is -all
  • clientconfig.microsoftonline-p.net.
  • google-site-verification=3cIOxSal95VFSZX1vslt6pxZrI_xJPznPDGdfPj1Ehk
  • MS=ms75829658
  • nt4sqglqddbx460qxf7tv7tfz9ttk8ft

NS 2

  • dell2.netvistun.is
  • dell.netvistun.is

SOA 1

  • dell.netvistun.is cpanel.premis.is

TLS Certificates (2)

Common NameIssuerExpires
www.ust.is C=BE, O=GlobalSign nv-sa, CN=GlobalSign RSA OV SSL CA 2018 Sat, 15 Aug 2026 14:18:54 +0000
GlobalSign RSA OV SSL CA 2018 2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign Tue, 21 Nov 2028 00:00:00 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID
rcpt_fcbe6ddf3236b4c8
Output Hash
813f0ef7a57d0d6d058dd9d1fbcfa27d305ed65328b3193f6f6fc14080cb4ebd
Signature
ed25519:edaded60ceb6b5758e3581167eeb4fdca19ceba462929fdab0d861aaa1fc5783b7b21c21f30b361bfe25910f26971b288f7f1ed53ea61d56ac8cbb2701be430a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser