CONTINUOUS INTERNET TELEMETRY24H DRIFT765 material changesacross 303 domains · last 24h · -42 vs yesterdayDNS DRIFT1 domain changed DNS providertop destination domaincontrol.comNOW424 curated domains not reachablelast probe, steadySITE ERRORS17,582 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 100,855 sites429 rate-limit / 403 bot-block, a posture signal

arc.gov

Observed Jul 22, 2026, 10:09 UTC (3d 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 byLet's Encrypt
Also usesGoogle Search Console
IPv6 · 1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat arc.gov actually stands on - every host below is a signed observation
arc.gov
A / AAAA
23.185.0.42620:12a:8001::42620:12a:8000::4
2620serves the site
NS
delilah.ns.cloudflare.comkarl.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
arc-gov.mail.protection.outlook.com
Microsoft 365receives its email
TLS
arc.gov
Let's Encryptissued its certificate

DNS Records

A 1

  • 23.185.0.4

AAAA 2

  • 2620:12a:8001::4
  • 2620:12a:8000::4

MX 1

  • 0arc-gov.mail.protection.outlook.com

TXT 8

  • apple-domain-verification=nxE1srjSQ0Bcjtij
  • feiprepc8a4plrlosa9k59ejta
  • fg4i0pf32s1modrrs7khq7512g
  • google-site-verification=BWNM1d3QhX_5UGwQzZyj7QP44nTw9MmZ9wHdchqGmkU
  • google-site-verification=zoRKSKA1B6RQdE8UQZd4Y0E7ABNqNRfHsZCqS9_TKeU
  • m2v20kzwc86sghxtfcfb4593p9jd9g3h
  • v=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com ~all
  • v=DMARC1; p=reject; rua=mailto:dmarc-notifications@arc.gov,mailto:4e304b7748e646cda74e170969b6b105@dmarc-reports.cloudflare.net;

NS 2

  • delilah.ns.cloudflare.com
  • karl.ns.cloudflare.com

SOA 1

  • delilah.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
arc.gov C=US, O=Let's Encrypt, CN=YR1 Thu, 15 Oct 2026 08:23:34 +0000
YR1 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 (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 arc.gov. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_2461fa1e4d499292
Output Hash
fe36af21505a3b8b7e4cef7bb8ad1b21a134683d10e714cdf2ed801367df8791
Signature
ed25519:4b9e960642d3dc92f04ef32ac517ba9faace449fcf4db5d48b408fbcd122f85162e531019e269b234aa73cef036e5b1d515b9559534b697e7937374e2d8dae02
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser