CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 23,722 material changesacross 23,285+ domains · 24h to ~9h ago · a floor, 15h of 24 walkedNOW565 curated domains not reachablelast probe, steadySITE ERRORS34,196 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,443 sites429 rate-limit / 403 bot-block, a posture signal

ut.ac.kr

Observed Jul 27, 2026, 22:55 UTC (6d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Up right now
Signed observation on record.
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ut.ac.kr actually stands on - every host below is a signed observation
ut.ac.kr
A / AAAA
210.119.144.25
unattributedserves the site
NS
ns2.ut.ac.krns1.ut.ac.kr
ac.kranswers its DNS
MX
mail1.ut.ac.krsniper.ut.ac.krmail.ut.ac.kr
ac.krreceives its email
TLS
*.ut.ac.kr
DigiCert Incissued its certificate

DNS Records

A 1

  • 210.119.144.25

MX 3

  • 15mail1.ut.ac.kr
  • 0sniper.ut.ac.kr
  • 10mail.ut.ac.kr

TXT 1

  • v=spf1 ip4:221.168.57.135 ip4:210.119.144.20 ip4:210.119.152.24 -all

NS 2

  • ns2.ut.ac.kr
  • ns1.ut.ac.kr

SOA 1

  • ns1.ut.ac.kr jhchoi.ut.ac.kr

TLS Certificates (3)

Common NameIssuerExpires
*.ut.ac.kr C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=Thawte TLS RSA CA G1 Fri, 04 Sep 2026 23:59:59 +0000
Thawte TLS RSA CA G1 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Tue, 02 Nov 2027 12:24:25 +0000
DigiCert Global Root G2 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Fri, 15 Jan 2038 12:00:00 +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; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for ut.ac.kr. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_75cbe00556f4a148
Output Hash
0c7f9f43f00f3457c3248ee9f3388cb46fbddbdc7c3e82fa1f0395aa953b0082
Signature
ed25519:49e89e31671bf1dd7187b35f1dc553491a06a5db562919b761ed3f1800b4c5eb624fecae7cc01079ad2aebc75ac5187dd8975550cf6e146bbf1850684303a505
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser