bizhost.kr

Observed Aug 10, 2026, 21:38 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of bizhost.kr was taken 3d ago

bizhost.kr is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting bizhost.kr under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch bizhost.kr Watching a domain needs a DRM3 account. The reading above stays free and public either way.
Up right now
Runs onKorea Telecom
Secured bySectigo
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
EVIDENCE OF WILDCARD DNSobserved 2026-08-13 17:42 UTC

DomainDrift asked this domain for a TXT record at a name nobody registers, and got an answer back. A domain that answers a name that was never created is answering names in general, and that is wildcard DNS.

Wildcard DNS clusters around domain parking, dynamic DNS and catch-all hosting. It is also a real attack surface: if every invented hostname resolves, then a hostname an attacker invents resolves too, which is the ground state for subdomain takeover and for phishing hosted under a name that looks legitimate.

This is evidence of wildcard behaviour, not a proven fact. It rests on one control name: a domain could legitimately serve a TXT record at exactly that name for an unrelated reason, and a wildcard that answers address records but not TXT records would not be caught here at all. What this reading is and is not.

INFRASTRUCTURE MAPwhat bizhost.kr actually stands on - every host below is a signed observation
bizhost.kr
A / AAAA
121.189.18.175
Korea Telecomserves the site
NS
ns1.bizhost.krns3.bizhost.krns13.bizhost.krns7.bizhost.kr
bizhost.kranswers its DNS
MX
mx1.postal.fkk.krmx2.postal.fkk.kr
fkk.krreceives its email
TLS
bizhost.kr
Sectigoissued its certificate

DNS Records

A 1

  • 121.189.18.175

MX 2

  • 10mx1.postal.fkk.kr
  • 10mx2.postal.fkk.kr

TXT 2

  • v=spf1 ip4:211.218.209.168 ip4:14.63.161.201 ip4:14.63.184.108 include:spf.postal.fkk.kr ~all
  • google-site-verification=Gl_aD4jf-HIp0wKTZSUSwiYktftEZ8ZgtuRCYryq_Go

NS 4

  • ns1.bizhost.kr
  • ns3.bizhost.kr
  • ns13.bizhost.kr
  • ns7.bizhost.kr

SOA 1

  • ns1.bizhost.kr dns.bizhost.co.kr

CAA 5

  • issue "letsencrypt.org"
  • issue "comodoca.com"
  • issuewild "sectigo.com"
  • issuewild "comodoca.com"
  • issue "setigo.com"

MCP_RECORDS 1

  • v=spf1 ip4:211.218.209.168 ip4:14.63.161.201 ip4:14.63.184.108 ~all

DMARC_RECORDS 1

  • v=DMARC1; p=none; rua=mailto:dmarc_reports@bizhost.co.kr

BIMI_RECORDS 1

  • v=spf1 ip4:211.218.209.168 ip4:14.63.161.201 ip4:14.63.184.108 ~all

MTA_STS_RECORDS 1

  • v=spf1 ip4:211.218.209.168 ip4:14.63.161.201 ip4:14.63.184.108 ~all

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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_9e79b1a7e0f5ca85
Output Hash
28ae73ffe5c5391f1a33ef4545fcfe5e7e9a8ab61bc205c1c2ad2cc51a49d515
Signature
ed25519:2d1103349678ba701303f282e661e8766acefc1598769c3602473694afe7a611c4eba2db4aec6a52e28efd5b062c0cd6bee55de2937b12277d9ef2e9fae9250e
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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CONTINUOUS INTERNET TELEMETRY24H DRIFT40,103 material changesacross 38,318 domains · 24h to ~3h ago · -3,979 vs yesterdayROTATION56 domains moved DNS from koaladns.com to kirklanddc.com, 49 moved backa rotation loop, not a migration · 24hNOW490 curated domains not reachablelast probe, steadySITE ERRORS36,420 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 115,614 sites429 rate-limit / 403 bot-block, a posture signal