tsmc.com
Observed 2026-07-14T02:30:20.916Z (3h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byProofpoint
Registered withGandi SAS
Also usesFigmaGoogle Search ConsoleDocuSign
1 subdomain · fortune_500
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat tsmc.com actually stands on - every host below is a signed observation
tsmc.com
A / AAAA
172.66.0.3162.159.140.3
Cloudflareserves the site
NS
greg.ns.cloudflare.comluciane.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mxb-00233401.gslb.pphosted.commxa-00233401.gslb.pphosted.com
Proofpointreceives its email
HTTPS probe
redirect
Redirecting (3xx) 302 → https://www.tsmc.com/
HTTP status302
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time45 ms
DNS resolutionNOERROR
Redirect chain
https://www.tsmc.com/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 2
172.66.0.3162.159.140.3
MX 2
10mxb-00233401.gslb.pphosted.com10mxa-00233401.gslb.pphosted.com
TXT 33
MS=84100E767556BF704619CA30ABA8C68DFCE0B9CDplpg4fbipkcvj984h86rum24lbMS=ms77757997llhf0rjce9veu7c0j483t1km4nq4nsr9n12oethm6a4nb91nc1smtpfo8jhdn67j1ba6vqd8a7it2bv7db7s9q1vqskol3g6hinefhfn7hj6c9phvanmh67guanthdan1rnuh7vpdbcedno7ms6aeqao1pvbgf51o429n8i2rj31ac7qbelmrs
NS 2
greg.ns.cloudflare.comluciane.ns.cloudflare.com
SOA 1
greg.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (0)
None.
Subdomains (1)
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
c7c69701-848f-4662-a59c-400ff6a097c2- Output Hash
57be1d31d53ab15c8587a8c97f2ecc91ca656f885accf904d8e844c38b6b41a5- Signature
ed25519:9c1ab02947fd36626ad8c7e0ddcc83830888ff44b331116bd1a2ec04588d0aa9ec24f884112430ab426c536fe10c06fad1a2eed574b343f19eb00efe3006390b- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast