CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 39,414 material changesacross 37,494+ domains · 24h to ~4h ago · a floor, 20h of 24 walkedNOW557 curated domains not reachablelast probe, steadySITE ERRORS34,627 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,132 sites429 rate-limit / 403 bot-block, a posture signal

dupagecounty.gov

Observed Jul 25, 2026, 00:03 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 byMicrosoft 365
Secured byLet's Encrypt
Also usesGoogle Search Console
2 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dupagecounty.gov actually stands on - every host below is a signed observation
dupagecounty.gov
A / AAAA
75.2.20.73
unattributedserves the site
NS
cbru.br.ns.els-gms.att.netcmtu.mt.ns.els-gms.att.net
att.netanswers its DNS
MX
alt3.us.email.fireeyecloud.comdupagecounty-gov.mail.protection.outlook.comprimary.us.email.fireeyecloud.comalt1.us.email.fireeyecloud.com+1 more
Microsoft 365receives its email
TLS
ssl8.revizesites.com
Let's Encryptissued its certificate

DNS Records

A 1

  • 75.2.20.73

MX 5

  • 30alt3.us.email.fireeyecloud.com
  • 40dupagecounty-gov.mail.protection.outlook.com
  • 0primary.us.email.fireeyecloud.com
  • 10alt1.us.email.fireeyecloud.com
  • 20alt2.us.email.fireeyecloud.com

TXT 8

  • MS=ms14240378
  • google-site-verification=rjSx_H8S-cz1KToVIbafaW8BMhEP0KLhdJQgdcYBRUA
  • adobe-idp-site-verification=3c15c75c8e667c6c807ccb19ecb8eec4f519006aa0c45845cfe31b4732a41c4e
  • knowbe4-site-verification=3b41615c5bdbb731f3156876a53af465
  • box-domain-verification=53828220a25fc824486468a4c36b196ca36503299e743287919002d4098e7ca0
  • zoho-verification=zb56955951.zmverify.zoho.com
  • v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.protection.outlook.com ~all
  • v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email

NS 2

  • cbru.br.ns.els-gms.att.net
  • cmtu.mt.ns.els-gms.att.net

SOA 1

  • cbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com

TLS Certificates (3)

Common NameIssuerExpires
ssl8.revizesites.com C=US, O=Let's Encrypt, CN=YR2 Wed, 02 Sep 2026 14:58:58 +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 (2)

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

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

Ed25519 Receipt

Receipt ID
rcpt_54ca84456ee0c250
Output Hash
eaee2c02fb7546dd1344e4e2616a9c0f91a4f706c63a50ebe86343d9d7be80fe
Signature
ed25519:84f3e14c3ca992f3de375746e16aea46f8a9d7ce4f564513a67426f313900ef4aae5651fd6ff532b6b858e29795b1ee7b441d1f32349b82d8077181b1722c600
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser