CONTINUOUS INTERNET TELEMETRY24H DRIFT1,097 material changesacross 918 domains · -981 vs yesterdayDNS DRIFT3 domains changed DNS providertop destination ac.in · -12 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · -43 vs yesterdayNOW2,295 curated domains not answering+1,169 vs yesterdayERRORS15,498 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED39,520 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT1,097 material changesacross 918 domains · -981 vs yesterdayDNS DRIFT3 domains changed DNS providertop destination ac.in · -12 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · -43 vs yesterdayNOW2,295 curated domains not answering+1,169 vs yesterdayERRORS15,498 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED39,520 throttled or blocked our scanner429 rate-limit / 403 bot-block

hca.com

Observed Jul 18, 2026, 12:24 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding
Email byMicrosoft 365
Registered withDomain Registration Services, Inc. dba dotEarth.com
push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat hca.com actually stands on - every host below is a signed observation
hca.com
NS
dns2.iskon.hrdns2.calucem.comdns.calucem.com
iskon.hr + calucem.comanswers its DNS
MX
hca-com.mail.protection.outlook.com
Microsoft 365receives its email

DNS Records

MX 1

  • 0hca-com.mail.protection.outlook.com

TXT 2

  • v=spf1 include:spf.protection.outlook.com -all
  • MS=ms52564868

NS 3

  • dns2.iskon.hr
  • dns2.calucem.com
  • dns.calucem.com

SOA 1

  • dns.hca.com itsupport.calucem.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 hca.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
bcd193d6-413f-4f27-8ee7-91352bf3cbbc
Output Hash
b0ee1d85a60e6d289c6ed17eeb90ac161140588949742427dbffa8472e23183f
Signature
ed25519:bf026ae2059cf55d82e897ea7c8c165901dbb29c0a7f699790de26341824b8d23d73bb74ff528be387503ed7feb1a816d9a41789408eab4d0634c9f4bfcfe006
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
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