khcu.ac.kr

Observed Aug 21, 2026, 11:11 UTC (2h 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
Runs onCloudflare
Email byGoogle Workspace
Also usesGoogle Search ConsoleMicrosoft 365GlobalSign
7 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for khcu.ac.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.

HTTPS probe

Redirects Redirecting (3xx) 302 → https://khcu.ac.kr/main/index.do
HTTP status302
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time1,268 ms
DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

SIGNED-OUT VIEW Provider names, posture and counts are shown. The record values - every DNS answer, each subdomain hostname, raw TXT, IPs, cert names and WHOIS - are the product. Sign in for the full signed record, or use the API with a key.

DNS records 15

A1NS2MX5TXT6SOA1

TLS certificates 0

None.

Subdomains 7

7 subdomain hostnames observed and signed - the list itself is part of the paid record.

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 receiptthe raw cryptographic proof
Receipt ID
rcpt_af56aff8267a735a
Output Hash
298c4a94f0aa0b8593fe6321edbc22f5bc910fa24a62b722f1c6ae2caa269ae5
Signature
ed25519:f78cdd4de281ffa4d90529ef852ca6559eda0a87b6d0ef76b6792bbdeb1d95b0a68d18a5f7950b95eaefc7d507391a31dc001564c3d6db565edd9719c2892707
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT2,602 material changes on watched domainsacross 158 domains · last 24h · the catalog-wide count is re-measuringROTATION76 domains moved DNS from koaladns.com to kirklanddc.com, 74 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT4 changed registrar24hNOW194 curated domains not reachablelast probe, steadySITE ERRORS17,829 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 77,739 sites429 rate-limit / 403 bot-block, a posture signal