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.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com
TXT 6
MS=ms61297318MS=ms91191146v=spf1 redirect=nielsenmedia.comgoogle-site-verification=OvrBjhrzt54ZdXyRc3MgTpKq0ZBBrmybte2LqQ5uv78_globalsign-domain-verification=Ewl3_xD5GcTpnlu7SoZRW-1Jni9bhHgIVS5lo2pTObv=DMARC1; p=quarantine; sp=reject; rua=mailto:dmarcian.aggregate@nielsenmedia.com; ruf=mailto:dmarcian.forensic@nielsenmedia.com; fo=1;
NS 6
pdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.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 receiptEd25519 Receipt
- Receipt ID
rcpt_8b3754f24765e06c- Output Hash
df04f07b29773849069cef6bf7a9df5dd4fc799d206424072a1ae6dc360aab8f- Signature
ed25519:bda41608b6cc51d3b6d378638930a7d10fa14848a42a7027c160ebb8c5d7637b894cdb9abe3df16634166e1805af7d607bb8efce2936266aba621bd2b5581704- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast