nsysu.edu.tw
Observed Jul 22, 2026, 01:12 UTC (1d 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.
Not responding
Email byGoogle (SPF sender)
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat nsysu.edu.tw actually stands on - every host below is a signed observation
nsysu.edu.tw
NS
dns2.nsysu.edu.twdns.nsysu.edu.tw
edu.twanswers its DNS
MX
spamgw.nsysu.edu.tw
Google (SPF sender)receives its email
DNS Records
MX 1
0spamgw.nsysu.edu.tw
TXT 3
linkedin-site-verification=48d1c011-48b3-4fbc-acce-d22b4154bd7fIplsefSv4dihuQZirol5XvLEWArtFOlFCRBXZyVlQ-sv=spf1 ip4:140.117.11.50/26 ip4:140.117.11.245 ip4:140.117.11.162 ip4:117.20.42.8/29 ip4:216.147.221.8/31 include:_spf.google.com include:spf-ap.exlibrisgroup.com mx ~all
NS 2
dns2.nsysu.edu.twdns.nsysu.edu.tw
SOA 1
dns.nsysu.edu.tw ptko.mail.nsysu.edu.tw
TLS Certificates (0)
None.
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 receiptEd25519 Receipt
- Receipt ID
rcpt_070910c908f827a5- Output Hash
1f207a850db0351e3a7426717abdaf2db6644a75a9f358f3ed24ee4e84f820c6- Signature
ed25519:1b661f3ffdc1b31e67b043c5434dc41247dfe8c7fb4cda39a7afc63f918eec2917e6ca51c0716808ea7286330bf7790953046f534f3c8f1fc4a6e3446f52fd00- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast