CONTINUOUS INTERNET TELEMETRY24H DRIFT2,078 material changesacross 1,944 domains · +656 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination alidns.com · -6 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.com · +3 vs yesterdayCERT DRIFT46 domains switched issuing CA24h · +46 vs yesterdayNOW1,040 curated domains not answering+330 vs yesterdayERRORS8,076 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED22,117 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT2,078 material changesacross 1,944 domains · +656 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination alidns.com · -6 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.com · +3 vs yesterdayCERT DRIFT46 domains switched issuing CA24h · +46 vs yesterdayNOW1,040 curated domains not answering+330 vs yesterdayERRORS8,076 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED22,117 throttled or blocked our scanner429 rate-limit / 403 bot-block

penske.com

Observed Jul 18, 2026, 12:03 UTC (11h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onMicrosoft Corporation
Email byProofpoint
Secured byDigiCert
Also usesAtlassianGoogle Search ConsoleMiroDocker
1 subdomain · fortune_500
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat penske.com actually stands on - every host below is a signed observation
penske.com
A / AAAA
52.237.130.0
Microsoft Corporationserves the site
NS
ns1.f5clouddns.comns2.f5clouddns.com
f5clouddns.comanswers its DNS
MX
mxb-001ae501.gslb.pphosted.commxa-001ae501.gslb.pphosted.com
Proofpointreceives its email
TLS
*.penske.com
DigiCert Incissued its certificate

DNS Records

A 1

  • 52.237.130.0

MX 2

  • 10mxb-001ae501.gslb.pphosted.com
  • 10mxa-001ae501.gslb.pphosted.com

TXT 39

  • _8pzv86o1bh4wxura61baklxddpmlf9y
  • _cdjsxp7ldvm8g4bcn2tgti00dptaz5b
  • _cvllkb0qmyy5yuvmepwt5rarmmccj5z
  • _eaegz2i701d0y07c84hj1r4i5pkd8m0
  • _orq8gibaa1k41nato43d3xmoigfmuz2
  • _q4am2aghe77cw9ht727txl3dnv88jx9
  • _umd4uk6d4138v7r8y4u4d1uvw79hgnt
  • _voupdwb4pg4f6jhos1xvabd9ex6r4be
  • _wawn51hm5vkgzxnwlm91cdnddaip7ky
  • _znq43bz3detez19g17kk7m4jrvu18do

NS 2

  • ns1.f5clouddns.com
  • ns2.f5clouddns.com

SOA 1

  • ns1.f5clouddns.com f5xc-dns.f5.com

SRV 1

  • s2s.penske.com.webexconnect.com:5269 p5

CAA 6

  • issuewild "digicert.com"
  • issuewild "sectigo.com"
  • issue "digicert.com"
  • issue "sectigo.com"
  • issue "letsencrypt.org"
  • iodef "mailto:domains@penske.com"

TLS Certificates (2)

Common NameIssuerExpires
*.penske.com C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 Sat, 06 Mar 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 (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 penske.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
f96ab080-0479-4229-8d12-018d0165f1bf
Output Hash
f2d2cfdeeed346cfd81ecfadd49580942668251e8b7c12fa59e7e4822f66d8b4
Signature
ed25519:169ff9aea58e47de5fcecc6c8ab6b9669179dfd567b0a963be9d0eeecfeebe5ceafb944eba5999125b5f4c72057df5195d3740c9c324c2708ca589d1e585b50d
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser