hactcm.edu.cn

Last scanned 17h ago; the signed record is unchanged since 19d ago. Every field below carries an Ed25519 signature from that last reading. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Up right now
Runs onChina Education and Research Network Center
Secured byDigiCert
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for hactcm.edu.cn 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.

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 9

A1AAAA1NS2MX2TXT2SOA1

TLS certificates 2

Issued byDigiCert
ExpiresMon, 21 De (113d)
Certificate nameswithheld

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 receiptthe raw cryptographic proof
Receipt ID
rcpt_eb666eb6a0eea47a
Output Hash
be6ee9a42d264acfbe28efa8097705489aabb2773f292caffecd4dc27a81c846
Signature
ed25519:9e7767431c90973ad760ddaa6a5b5fe7bcc38dabe2f8f1d1378c61e1c5088df4b8fba69f100bc3a4994f4d3a3a87e64cd03be5f726c31ec8e0e940ca20ef6605
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT28,614 material changesacross 23,188 domains · 24h to ~80m agoROTATION58 domains moved DNS from magpiedns.com to koaladns.com, 54 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT3 changed registrar24hNOW555 curated domains not reachablelast probe, steadySITE ERRORS18,213 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 80,855 sites429 rate-limit / 403 bot-block, a posture signal