CONTINUOUS INTERNET TELEMETRY24H DRIFT1,584 material changesacross 1,115 domains · last 24h · -8,831 vs yesterdayDNS DRIFT57 domains changed DNS providertop destination cloudflare.com · -602 vs yesterdayEMAIL DRIFT9 domains switched email providertop destination google.com · -158 vs yesterdayCERT DRIFT14 domains switched issuing CA24h · -205 vs yesterdayNOW412 curated domains not reachable-291 vs yesterdaySITE ERRORS17,578 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 100,783 sites429 rate-limit / 403 bot-block, a posture signal

ars-grin.gov

Observed Jul 24, 2026, 05:19 UTC (16h 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.

Responding, no home page
Email byMicrosoft 365
Secured byDigiCert
3 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ars-grin.gov actually stands on - every host below is a signed observation
ars-grin.gov
A / AAAA
52.245.234.40
unattributedserves the site
NS
ns1.usda.govns2.usda.gov
usda.govanswers its DNS
MX
usda-gov.mail.protection.outlook.com
Microsoft 365receives its email
TLS
npgsweb.ars-grin.gov
DigiCert Incissued its certificate

DNS Records

A 1

  • 52.245.234.40

MX 1

  • 5usda-gov.mail.protection.outlook.com

TXT 7

  • MS=ms91227723
  • _4zr458abm41r6e50jz6mymwsg30li6q
  • _cehdfud6pfejd0sfcd6hafarkof2ipz
  • _mesjnpvx91owbu4rtv8pw0bayjfzpp2
  • v=msv1 t=E52C222B-E3EA-45B6-B7ED-46B2E3DB7664
  • v=spf1 ip4:199.133.55.0/24 ip4:52.227.221.216/31 include:mailproxy1.usda.gov include:mailproxy2.usda.gov -all
  • v=DMARC1; p=reject; rua=mailto:reports@dmarc.cyber.dhs.gov,mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com; fo=1;

NS 2

  • ns1.usda.gov
  • ns2.usda.gov

SOA 1

  • ns2.usda.gov duty\.officer.usda.gov

TLS Certificates (2)

Common NameIssuerExpires
npgsweb.ars-grin.gov C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 Sat, 30 Jan 2027 23:59:59 +0000
DigiCert Global G2 TLS RSA SHA256 2020 CA1 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Sat, 29 Mar 2031 23:59:59 +0000

Subdomains (3)

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 ars-grin.gov. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_8ae9c992128dd6dd
Output Hash
6ec9bdce3c0fa52d7ad59da5e39f53c403152ed2ee0f276defb3ab9bf9a38f5b
Signature
ed25519:125a71c3a8d9d0ae529ba43390d611c826a6a154fd264b844c6a6d0f0d796bdde49c6b346efe84eb59e241424be4008fa4114ede6383e44fb904251630cab30e
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser