sigma-tw.com

Observed Aug 16, 2026, 18:32 UTC (7d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of sigma-tw.com was taken 7d ago

sigma-tw.com is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting sigma-tw.com under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch sigma-tw.com Watching a domain needs a DRM3 account. The reading above stays free and public either way.
DRIFT

Steady. No change on record for sigma-tw.com in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.

SIGNED-OUT VIEW Provider names, posture and counts are shown. The record values - every DNS answer, each subdomain hostname, raw TXT, IPs, cert names and WHOIS - are the product. Sign in for the full signed record, or use the API with a key.

DNS records 6

A1NS2TXT2SOA1

TLS certificates 3

Issued byLet's Encrypt
ExpiresTue, 13 Oc (51d)
Certificate nameswithheld

Subdomains 1

1 subdomain hostname observed and signed - the list itself is part of the paid record.

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; the only network request the check makes is for the published public keys.

Verify this receipt
Ed25519 receiptthe raw cryptographic proof
Receipt ID
rcpt_337c915d5fc12a1d
Output Hash
f046bcb3fbd7cd423440bff0cef3a86af24278c269a860eff6cdb23f121197dc
Signature
ed25519:7719a91e82200849f841817874b2b32e758075273b62f17d9f0405de8085ab04692160417de7edb8f7fbcba6e7a8c463e3b3fc6fecf4418a18a6b0fdb887c20d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT3,177 material changesacross 1,545 domains · 24h to ~3h agoDNS DRIFT83 domains changed DNS providertop destination koaladns.com · -6 vs yesterdayREGISTRAR DRIFT3 changed registrar24hNOW278 curated domains not reachablelast probe, steadySITE ERRORS17,795 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,220 sites429 rate-limit / 403 bot-block, a posture signal