CONTINUOUS INTERNET TELEMETRY24H DRIFT167 material changesacross 120 domains · +21 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination xn----8sbafg9clhjcp.bgCERT DRIFT1 domains switched issuing CA24hNOW4,500 curated domains not answering+166 vs yesterdayERRORS29,650 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED87,751 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERgov.brAll nameservers removed (domain is dark)24H DRIFT167 material changesacross 120 domains · +21 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination xn----8sbafg9clhjcp.bgCERT DRIFT1 domains switched issuing CA24hNOW4,500 curated domains not answering+166 vs yesterdayERRORS29,650 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED87,751 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERgov.brAll nameservers removed (domain is dark)

4in.co.kr

Observed Jul 17, 2026, 14:13 UTC (4d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding
Signed observation on record.
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat 4in.co.kr actually stands on - every host below is a signed observation
4in.co.kr
A / AAAA
221.165.139.14
unattributedserves the site
NS
ns1.4in.co.krns2.4in.co.kr
4in.co.kranswers its DNS
MX
mail.4in.co.kr
4in.co.krreceives its email

DNS Records

A 1

  • 221.165.139.14

MX 1

  • 10mail.4in.co.kr

TXT 1

  • v=spf1 include:_spf1.mailnara.co.kr include:_spf2.mailnara.co.kr include:_spf3.mailnara.co.kr include:_spf4.mailnara.co.kr include:_spf5.mailnara.co.kr ~all

NS 2

  • ns1.4in.co.kr
  • ns2.4in.co.kr

SOA 1

  • 4in.co.kr rname.invalid

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 4in.co.kr. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for 4in.co.kr <a href="https://domaindrift.io/t/4in.co.kr"> <img src="https://domaindrift.io/badge/4in.co.kr.svg" width="300" height="64" alt="DomainDrift signed observations for 4in.co.kr"> </a>

Ed25519 Receipt

Receipt ID
0fd35175-e8c9-45d9-a1ed-af9e8bd38294
Output Hash
af35577ab1105985c33cf23d9d34ca8ea8736c52f6757926109c22df0ff7940c
Signature
ed25519:035c5d907355afc808da0cb1b3ace1ab7924cb9c214efde48c5973188a0532f58925caa1dc807c3145d34eb8e88aa40f90bad7e80290d761a6896854861f0201
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser