s1.co.kr

Observed Aug 12, 2026, 05:36 UTC (5d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of s1.co.kr was taken 5d ago

s1.co.kr is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting s1.co.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 s1.co.kr Watching a domain needs a DRM3 account. The reading above stays free and public either way.
Up right now
Runs onCloudflare
Secured byGoogle Trust Services
Also usesAnthropicGlobalSign
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for s1.co.kr in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.

INFRASTRUCTURE MAPwhat s1.co.kr actually stands on - every host below is a signed observation
s1.co.kr
A / AAAA
49.238.237.7249.238.237.71
Cloudflareserves the site
NS
auth01.sam.icred.samsung.co.krgreen.samsung.co.kr
sam.ic + samsung.co.kranswers its DNS
MX
s1.co.krs1gcwb2.s1.co.krs1gcwb1.s1.co.kr
s1.co.krreceives its email
TLS
s1.co.kr
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 49.238.237.72
  • 49.238.237.71

MX 3

  • 10s1.co.kr
  • 10s1gcwb2.s1.co.kr
  • 10s1gcwb1.s1.co.kr

TXT 3

  • v=spf1 ip4:112.106.21.141 ip4:112.106.21.142 ip4:112.106.21.220 ip4:112.106.21.221 ip4:112.106.21.222 include:_spfblocka.toast.com ~all
  • anthropic-domain-verification-w73sc5=PBy7n0WZTVym6o7VmTlsS8EZI
  • globalsign-domain-verification=98553C8237AAA32F8F64D49FA99BC5B4

NS 3

  • auth01.sam.ic
  • red.samsung.co.kr
  • green.samsung.co.kr

SOA 1

  • gm.sam.ic root.s1.co.kr

TLS Certificates (3)

Common NameIssuerExpires
s1.co.kr C=US, O=Google Trust Services, CN=WE1 Fri, 18 Sep 2026 13:43:35 +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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_bf7073df99257d05
Output Hash
4a99f5d822e7ffc7ce7cb0a30e3dd0122ef0a88cde9b1ca1884a400619d8fd9e
Signature
ed25519:92db1a80a626d2e5dffefb75d9dfe25e76d76fb0d9f51c2d0b7830044aa000485ee7503dbcd023588df791e676673a045bbad9ac775d625db4e84505b8e49a03
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT40,428 material changesacross 38,581 domains · 24h to ~60m ago · +1,188 vs yesterdayROTATION56 domains moved DNS from koaladns.com to magpiedns.com, 56 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW591 curated domains not reachablelast probe, steadySITE ERRORS35,522 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,252 sites429 rate-limit / 403 bot-block, a posture signal