CONTINUOUS INTERNET TELEMETRY24H DRIFT1,933 material changesacross 1,754 domains · -618 vs yesterdayDNS DRIFT18 domains changed DNS providertop destination parity.domains · +2 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination google.com · -2 vs yesterdayCERT DRIFT2 domains switched issuing CA24h · -3 vs yesterdayNOW3,430 curated domains not answeringlast probe, steadyERRORS8,558 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,312 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT1,933 material changesacross 1,754 domains · -618 vs yesterdayDNS DRIFT18 domains changed DNS providertop destination parity.domains · +2 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination google.com · -2 vs yesterdayCERT DRIFT2 domains switched issuing CA24h · -3 vs yesterdayNOW3,430 curated domains not answeringlast probe, steadyERRORS8,558 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,312 throttled or blocked our scanner429 rate-limit / 403 bot-block

hcaptcha.com

Observed 2026-07-13T21:01:30.037Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byGoogle Workspace
Registered withNameCheap, Inc.
Also usesGoogle Search ConsoleHubSpot
11 subdomains · tranco_1k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat hcaptcha.com actually stands on - every host below is a signed observation
hcaptcha.com
A / AAAA
104.19.229.21104.19.230.21
Cloudflareserves the site
NS
eva.ns.cloudflare.comjosh.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.com
Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 302 → https://www.hcaptcha.com/
HTTP status302
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time2 ms
DNS resolutionNOERROR
Redirect chain
https://www.hcaptcha.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

  • 104.19.229.21
  • 104.19.230.21

MX 3

  • 1aspmx.l.google.com
  • 20alt1.aspmx.l.google.com
  • 30alt2.aspmx.l.google.com

TXT 8

  • google-site-verification=Cev7in0fV_4hdmI3VTQTFDqtNk0CHBA9f6AYLcyU6hg
  • v=spf1 include:mailgun.org include:amazonses.com include:us-west-2.amazonses.com include:mail.zendesk.com include:20974113.spf07.hubspotemail.net ~all
  • detectify-verification=219c4145c8dd82f1a855d0ded4970de6
  • google-site-verification=yPIR83D9uByVOCV5kiW9fwKB0SpLYGUpmzDqzECvkNo
  • google-site-verification=XOSSBjkRXwXRYPlo-DXg0O6xOAPR2L-RiBl1ox59EV4
  • v=DMARC1; p=reject; rua=mailto:e9f808c761ae640@rep.dmarcanalyzer.com; ruf=mailto:e9f808c761ae640@for.dmarcanalyzer.com; fo=1;
  • v=STSv1; id=2025062401;
  • v=DNSSEC1; (detected)

NS 2

  • eva.ns.cloudflare.com
  • josh.ns.cloudflare.com

SOA 1

  • eva.ns.cloudflare.com dns.cloudflare.com

CAA 13

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

TLS Certificates (0)

None.

Subdomains (11)

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

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

Ed25519 Receipt

Receipt ID
e4aac1ec-4d4d-4fd7-91c6-9374378eda42
Output Hash
f82fb38f69fb4a06f165bdf02fdfa85136d9c0df4fdb7ced326940f5ac838352
Signature
ed25519:4b009dec1b5872c4d360e8432948e213050c4835b2c238a335df28db45315a7d921a5f05febeb71f7b46caf2e2a410adcd053b9bd5d6bff9ddceb1910c718602
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser