CONTINUOUS INTERNET TELEMETRY24H DRIFT38,059 material changesacross 36,939 domains · 24h to ~65m ago · -2,801 vs yesterdayNOW555 curated domains not reachablelast probe, steadySITE ERRORS34,567 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,805 sites429 rate-limit / 403 bot-block, a posture signal

usdac.us

Observed Jul 26, 2026, 08:54 UTC (7d 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 byGoogle Workspace
Secured byLet's Encrypt
Also usesGoogle Search Console
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usdac.us actually stands on - every host below is a signed observation
usdac.us
A / AAAA
198.185.159.136
unattributedserves the site
NS
ns18.worldnic.comns17.worldnic.com
worldnic.comanswers its DNS
MX
alt3.aspmx.l.google.comalt4.aspmx.l.google.comalt2.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
usdac.us
Let's Encryptissued its certificate

DNS Records

A 1

  • 198.185.159.136

MX 5

  • 10alt3.aspmx.l.google.com
  • 10alt4.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com
  • 5alt1.aspmx.l.google.com
  • 1aspmx.l.google.com

TXT 4

  • google-site-verification=KanQ5pLgPRdeqCHC29-aJ2f31r30I8SYDzKKjVoA8-c
  • zoho-verification=zmverify.zoho.com
  • v=spf1 include:_spf.google.com ~all
  • v=DMARC1; p=none;

NS 2

  • ns18.worldnic.com
  • ns17.worldnic.com

SOA 1

  • NS17.WORLDNIC.COM namehost.WORLDNIC.COM

TLS Certificates (3)

Common NameIssuerExpires
usdac.us C=US, O=Let's Encrypt, CN=YR2 Thu, 24 Sep 2026 01:34:16 +0000
YR2 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 usdac.us. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_dd85f93bb61ade43
Output Hash
e0a1453c0d844a88282cd6b072973632ca1df063187e1e17814aea9eda8f28c8
Signature
ed25519:fa56994bc5b65349584bfdc911ed4d050d42386662634bf1aad80bf4fe75e404a9b169cfe82309e55865f5800f225ab2d3dfdf7b424fa52ca639811a91985a0b
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser