jiyutech.net

Observed Aug 16, 2026, 07:35 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
Secured byLet's Encrypt
Registered withAlibaba Cloud Computing (Beijing) Co., Ltd.
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jiyutech.net actually stands on - every host below is a signed observation
jiyutech.net
A / AAAA
121.199.43.139
unattributedserves the site
NS
dns8.hichina.comdns7.hichina.com
hichina.comanswers its DNS
TLS
jiyutech.net
Let's Encryptissued its certificate

DNS Records

A 1

  • 121.199.43.139

NS 2

  • dns8.hichina.com
  • dns7.hichina.com

SOA 1

  • dns7.hichina.com hostmaster.hichina.com

TLS Certificates (4)

Common NameIssuerExpires
jiyutech.net C=US, O=Let's Encrypt, CN=YE2 Sat, 31 Oct 2026 09:01:39 +0000
YE2 C=US, O=ISRG, CN=Root YE Sat, 02 Sep 2028 23:59:59 +0000
Root YE C=US, O=Internet Security Research Group, CN=ISRG Root X2 Thu, 02 Sep 2032 23:59:59 +0000
ISRG Root X2 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +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_cebbbc2274571f01
Output Hash
9d87d0b112e991ef92b96d0a6689c0ccef8d46776a4fed8791a55215430d4085
Signature
ed25519:78b35a473ce3471d3020e1ddab60b375ba15cd882006a9d421edcccd331c200fb5a754673f8f5f7ae21ec9aa75e1d3dd6dbad1b72e89c560ab193dcbabd96b09
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT36,585 material changesacross 34,942 domains · 24h to ~3h ago · -4,974 vs yesterdayDNS DRIFT87 domains changed DNS providertop destination koaladns.com · +5 vs yesterdayEMAIL DRIFT3 domains switched email providertop destination alltheemails.comNOW551 curated domains not reachable+56 vs yesterdaySITE ERRORS36,473 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,533 sites429 rate-limit / 403 bot-block, a posture signal