tn.edu.tw

Observed Jul 18, 2026, 13:30 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onTaiwan Academic Network (TANet) Information Center

Secured byTAIWAN-CA

tranco_40k

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

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

tn.edu.tw

A / AAAA

163.26.1.72

Taiwan Academic Network (TANet) Information Centerserves the site

tns.tn.edu.twsecdns.tn.edu.tw

edu.twanswers its DNS

mx.tn.edu.twmg2.tn.edu.tw

edu.twreceives its email

TLS

*.tn.edu.tw

TAIWAN-CAissued its certificate

DNS Records

A 1

163.26.1.72

MX 2

10mx.tn.edu.tw
20mg2.tn.edu.tw

TXT 6

1DFzqKGRoPn1B00bkLUMsPHCI1c4y0pgns7Jp3ANRZ4
TNf6fV3tfw8S8cXagNuQyJ2yYHChmsugA0OhH6L8Za4
qywuyj4tAtFoqln4dMPUaE55RV_YjVV68P6wg6f3_es
719a498a4a39e170b0ac80225ffb40dbf7e8babd173760e3e6be19e99ee4092
v=spf1 ip4:163.26.1.174 ip4:163.26.1.175 ip4:163.26.1.63 ip4:163.26.1.64 ip6:2001:288:7200:1::63 ip6:2001:288:7200:1::64 ~all
v=DMARC1;p=quarantine;pct=100;rua=mailto:postmaster@tn.edu.tw;ruf=mailto:postmaster@tn.edu.tw;

NS 2

tns.tn.edu.tw
secdns.tn.edu.tw

SOA 1

tns.tn.edu.tw abuse.tn.edu.tw

CAA 14

issue "certum.eu"
issue "certum.pl"
issue "comodoca.com"
issue "globalsign.com"
issue "gtlsca.nat.gov.tw"
issue "letsencrypt.org"
issue "pki.hinet.net"
issue "sectigo.com"
issue "twca.com.tw"
issuewild "certum.pl"

TLS Certificates (4)

Common Name	Issuer	Expires
`*.tn.edu.tw`	C=TW, O=TAIWAN-CA, CN=TWCA Secure SSL Certification Authority	Tue, 09 Feb 2027 15:59:59 +0000
`TWCA Root Certification Authority`	C=TW, O=TAIWAN-CA, 2.5.4.11=Root CA, CN=TWCA Root Certification Authority	Tue, 31 Dec 2030 15:59:59 +0000
`TWCA Global Root CA`	C=TW, O=TAIWAN-CA, 2.5.4.11=Root CA, CN=TWCA Root Certification Authority	Mon, 28 Oct 2030 15:59:59 +0000
`TWCA Secure SSL Certification Authority`	C=TW, O=TAIWAN-CA, 2.5.4.11=Root CA, CN=TWCA Global Root CA	Wed, 16 Oct 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 tn.edu.tw. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: d153f55a-538f-421b-92d9-d1250d233537
Output Hash: 81175cac54b32541d922effc478fcc17aa42eac0890c1de8972ccc543bd948be
Signature: ed25519:176ddcfe6b0c957dec39ab5491fae64300b247d56bb4cb9c7791afa962afc7fcea256840c80ebb09eea9869e1f4194ff6007e19bf5b8c2af4a27cb4b6176b80c
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/tn.edu.tw