CONTINUOUS INTERNET TELEMETRY24H DRIFT742 material changesacross 248 domains · last 24h · -65 vs yesterdayDNS DRIFT1 domain changed DNS providertop destination hichina.comNOW477 curated domains not reachable+55 vs yesterdaySITE ERRORS17,661 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 100,866 sites429 rate-limit / 403 bot-block, a posture signal

substack-custom-domains.com

Observed Jul 24, 2026, 19:26 UTC (13h 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
Registered withAmazon Registrar, Inc.
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.

No payload stored for this observation.

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 substack-custom-domains.com. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for substack-custom-domains.com <a href="https://domaindrift.io/t/substack-custom-domains.com"> <img src="https://domaindrift.io/badge/substack-custom-domains.com.svg" width="300" height="64" alt="DomainDrift signed observations for substack-custom-domains.com"> </a>

Ed25519 Receipt

Receipt ID
rcpt_7420785950f3b5ed
Output Hash
d7aeb21a2e717cc2864dce588b82b6d14da57c87debdfd0dfb41345d1816af59
Signature
ed25519:ef75e663164d6bd02fdbf7ce64719be1badd9cf7525e63e675b7a2c899af7c9fb513315b83710ff62f7c7c538d8d28604122f6b249e98044ddd9eaf37dd5f10d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser