ntnu.edu.tw

Observed 2026-07-13T05:42:17.450Z (13h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onCloudflare

Email byGoogle (SPF sender)

Also usesGoogle Search Console

11 subdomains · tranco_20k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat ntnu.edu.tw actually stands on - every host below is a signed observation

ntnu.edu.tw

dns4.ntnu.edu.twdns3.ntnu.edu.twcc.ntnu.edu.twns2.ntnu.edu.tw

edu.twanswers its DNS

mg153.ntnu.edu.twmg155.ntnu.edu.twmg156.ntnu.edu.tw

Google (SPF sender)receives its email

HTTPS probe

server_error Server error (5xx) 530 Server Error

HTTP status530

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time465 ms

DNS resolutionNOERROR

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

DNS Records

MX 3

20mg153.ntnu.edu.tw
10mg155.ntnu.edu.tw
10mg156.ntnu.edu.tw

TXT 5

v=spf1 ip4:140.122.65.0/24 include:_spf.google.com include:spf.protection.outlook.com ~all
google-site-verification=tttuk3oBj-zQNelZT659BMbC3lBRBFrLIOO-goq4H9I
google-site-verification=J-9RnVMxjPsx9_986oeJEFgkQc3ltwF_yR38OBnjPIw
m2eqff488squne2m8sdoo6j9rp
v=DMARC1; p=none; rua=mailto:dmarc@ntnu.edu.tw; adkim=r; aspf=r

NS 4

dns4.ntnu.edu.tw
dns3.ntnu.edu.tw
cc.ntnu.edu.tw
ns2.ntnu.edu.tw

SOA 1

cc.ntnu.edu.tw sysadm.ntnu.edu.tw

TLS Certificates (0)

None.

Subdomains (11)

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 ntnu.edu.tw. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 00af9b37-c4b3-4dd0-ba0d-a91d11361b4b
Output Hash: 82ae982c7d1bab12de3fc07d26bee88526b588e00f19f32c7dbd166f279f47c3
Signature: ed25519:1c3c9daf19562c0fdc36a9bea26ceb826d4a80d3758ecfb9cab59c8f7d5b21686dae5c96529c53f87b5bf062aead1bf4fadde412712c449f1a19a28f9ab5350a
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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