CONTINUOUS INTERNET TELEMETRY24H DRIFT8,712 material changesacross 8,307 domains · last 24h · -1,703 vs yesterdayDNS DRIFT545 domains changed DNS providertop destination cloudflare.com · -114 vs yesterdayEMAIL DRIFT131 domains switched email providertop destination google.com · -36 vs yesterdayCERT DRIFT185 domains switched issuing CA24h · -34 vs yesterdayNOW474 curated domains not reachable-229 vs yesterdaySITE ERRORS17,393 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 96,845 sites429 rate-limit / 403 bot-block, a posture signal

nchu.edu.tw

Observed Jul 24, 2026, 03:29 UTC (43m 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 onTaiwan Academic Network (TANet) Information Center
Email byGoogle (SPF sender)
Secured byTAIWAN-CA
Also usesGoogle Search Console
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat nchu.edu.tw actually stands on - every host below is a signed observation
nchu.edu.tw
A / AAAA
140.120.152.122
Taiwan Academic Network (TANet) Information Centerserves the site
NS
pds.nchu.edu.twnchud1.nchu.edu.tw
edu.twanswers its DNS
MX
sqr.nchu.edu.twsqr2.nchu.edu.tw
Google (SPF sender)receives its email
TLS
*.nchu.edu.tw
TAIWAN-CAissued its certificate

DNS Records

A 1

  • 140.120.152.122

MX 2

  • 5sqr.nchu.edu.tw
  • 5sqr2.nchu.edu.tw

TXT 7

  • google-site-verification=CCRk7PsdL18gyVDLR8z2hSE7Nr6ly9INwYQlr8pVo-0
  • _globalsign-domain-verification=tkL2FLDScrR4Wb8l_l6ywzfailczbL8iUjc6K9DQD4
  • v=spf1 ip4:140.120.152.0/24 include:_spf.google.com include:amazonses.com include:mailgun.org ~all
  • globalsign-domain-verification=eMPvhZJIA9mBGE_RU6ZC4F0YOXTjuFen4dcJGXSKIk
  • google-site-verification=Hf6oFylGXiXrrv_HDTvnF623vJWyD1Z-eXkewAlB-L0
  • google-site-verification=Y5Fwyhgp5OcuMoSzq2yZhWxB-EEQtO47ux15mAGzkF8
  • v=DMARC1; p=none;

NS 2

  • pds.nchu.edu.tw
  • nchud1.nchu.edu.tw

SOA 1

  • nchud1.nchu.edu.tw root.nchud1.nchu.edu.tw

TLS Certificates (4)

Common NameIssuerExpires
*.nchu.edu.tw C=TW, O=TAIWAN-CA, 2.5.4.11=SSL Sub-CA, CN=TWCA SSL Certification Authority Wed, 16 Dec 2026 15:59:59 +0000
TWCA SSL Certification Authority C=TW, O=TAIWAN-CA, 2.5.4.11=Root CA, CN=TWCA CYBER Root CA Wed, 23 Feb 2033 15:59:59 +0000
TWCA CYBER Root CA C=TW, O=TAIWAN-CA, 2.5.4.11=Root CA, CN=TWCA Global Root CA Mon, 09 Dec 2030 15:59:59 +0000
TWCA Global Root CA C=TW, O=TAIWAN-CA, 2.5.4.11=Root CA, CN=TWCA Global Root CA Tue, 31 Dec 2030 15:59:59 +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; nothing leaves your machine.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID
rcpt_75197f73fb05cd4a
Output Hash
b00178f935e5eaf595a154aa868a389db1a84664ae533bb778fd7ae17d4483e9
Signature
ed25519:8d091c910d59f64b215c2e78ba123c486b679e826646c33ebd2e6e7e003cbee12197c21983933694e914ddfed1692c987e0c9d41edd4cccee2eee81cc624090b
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser