CONTINUOUS INTERNET TELEMETRY24H DRIFT2,434 material changesacross 1,963 domains · last 24h · -7,981 vs yesterdayDNS DRIFT113 domains changed DNS providertop destination cloudflare.com · -546 vs yesterdayEMAIL DRIFT12 domains switched email providertop destination google.com · -155 vs yesterdayCERT DRIFT20 domains switched issuing CA24h · -199 vs yesterdayNOW403 curated domains not reachable-300 vs yesterdaySITE ERRORS17,556 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 100,750 sites429 rate-limit / 403 bot-block, a posture signal

arbitron.com

Observed Jul 24, 2026, 13:21 UTC (7h 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.

Not responding
Email byGoogle Workspace
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat arbitron.com actually stands on - every host below is a signed observation
arbitron.com
A / AAAA
198.40.3.130
unattributedserves the site
NS
pdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.org+2 more
ultradns.net + ultradns.org + moreanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email

DNS Records

A 1

  • 198.40.3.130

MX 5

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

TXT 6

  • MS=ms61297318
  • MS=ms91191146
  • v=spf1 redirect=nielsenmedia.com
  • google-site-verification=OvrBjhrzt54ZdXyRc3MgTpKq0ZBBrmybte2LqQ5uv78
  • _globalsign-domain-verification=Ewl3_xD5GcTpnlu7SoZRW-1Jni9bhHgIVS5lo2pTOb
  • v=DMARC1; p=quarantine; sp=reject; rua=mailto:dmarcian.aggregate@nielsenmedia.com; ruf=mailto:dmarcian.forensic@nielsenmedia.com; fo=1;

NS 6

  • pdns1.ultradns.net
  • pdns2.ultradns.net
  • pdns3.ultradns.org
  • pdns4.ultradns.org
  • pdns5.ultradns.info
  • pdns6.ultradns.co.uk

SOA 1

  • pdns1.ultradns.net hostmaster.nielsen.com

TLS Certificates (0)

None.

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

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

Ed25519 Receipt

Receipt ID
rcpt_8b3754f24765e06c
Output Hash
df04f07b29773849069cef6bf7a9df5dd4fc799d206424072a1ae6dc360aab8f
Signature
ed25519:bda41608b6cc51d3b6d378638930a7d10fa14848a42a7027c160ebb8c5d7637b894cdb9abe3df16634166e1805af7d607bb8efce2936266aba621bd2b5581704
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser