CONTINUOUS INTERNET TELEMETRY24H DRIFT44,720 material changesacross 40,519 domains · 24h to ~2h agoNOW555 curated domains not reachablelast probe, steadySITE ERRORS34,615 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 155,975 sites429 rate-limit / 403 bot-block, a posture signal

study4.com

Observed Jul 27, 2026, 09:46 UTC (5d 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.

Guarded by a firewall
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesGoogle Search Console
IPv6 · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat study4.com actually stands on - every host below is a signed observation
study4.com
A / AAAA
104.26.9.227104.26.8.227172.67.73.882606:4700:20::ac43:4958+2 more
Cloudflareserves the site
NS
ajay.ns.cloudflare.comdorthy.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
smtp.google.com
Google Workspacereceives its email
TLS
study4.com
Google Trust Servicesissued its certificate

DNS Records

A 3

  • 104.26.9.227
  • 104.26.8.227
  • 172.67.73.88

AAAA 3

  • 2606:4700:20::ac43:4958
  • 2606:4700:20::681a:8e3
  • 2606:4700:20::681a:9e3

MX 1

  • 1smtp.google.com

TXT 8

  • MS=ms27261699
  • anthropic-domain-verification-atwhbh=mUW99R0IYb2WZ4Z87EYIyaxhM
  • apple-domain-verification=68AZnSihzLQZORD8
  • cursor-domain-verification-8sqjbk=7iwUuGzZIXuIjSmaVuioHQqTj
  • google-site-verification=eQDQHsBrLtonmX1Sdl8ZGEM2Fh-UWbISNiVb2cFluYI
  • v=spf1 include:zoho.com ~all
  • zoho-verification=zb66126777.zmverify.zoho.com
  • zoho-verification=zb98914813.zmverify.zoho.com

NS 2

  • ajay.ns.cloudflare.com
  • dorthy.ns.cloudflare.com

SOA 1

  • ajay.ns.cloudflare.com dns.cloudflare.com

CAA 10

  • issue "comodoca.com"
  • issue "digicert.com; cansignhttpexchanges=yes"
  • issue "letsencrypt.org"
  • issue "pki.goog; cansignhttpexchanges=yes"
  • issue "ssl.com"
  • issuewild "comodoca.com"
  • issuewild "digicert.com; cansignhttpexchanges=yes"
  • issuewild "letsencrypt.org"
  • issuewild "pki.goog; cansignhttpexchanges=yes"
  • issuewild "ssl.com"

TLS Certificates (3)

Common NameIssuerExpires
study4.com C=US, O=Google Trust Services, CN=WE1 Fri, 23 Oct 2026 13:15:01 +0000
WE1 C=US, O=Google Trust Services LLC, CN=GTS Root R4 Tue, 20 Feb 2029 14:00:00 +0000
GTS Root R4 C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA Fri, 28 Jan 2028 00:00:42 +0000

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 study4.com. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for study4.com <a href="https://domaindrift.io/t/study4.com"> <img src="https://domaindrift.io/badge/study4.com.svg" width="300" height="64" alt="DomainDrift signed observations for study4.com"> </a>

Ed25519 Receipt

Receipt ID
rcpt_26b03931bcdb34e1
Output Hash
61fc52ab02319994bfaa000854710f0acc1ad5e231c66d618ac6709e912fd974
Signature
ed25519:47a5f5af2eafef8e29855e2a463ae7044979fc8808f53812b2166020795f3b0b9703a2b4eec861d52a8e2f7d2f25c26af4ff15e77c81ebc227503aa6597b1d07
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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