What changed on the internet yesterday

2026-09-14 · top 20 of at least 63 by significance · 809,753 tracked domains

DNS provider changes

Resolution moved to a different operator.

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Reachability changes

Up, down, and blocked edges, re-probed before we claim them.

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DNS record changes

Record-level moves: nameservers, mail routes, targets.

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021huijie.com CNAME target changed: 021huijie-com.bb4603277e.safestcdn.com → 1ys.876dns.com
18:00 UTC · verify

Certificate and TLS changes

Issuer switches, rotations, and expiries.

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facebook.com Certificate EXPIRED with no renewal (was valid until 2021-07-31T12:00:00.000Z)
21:36 UTC · verify
CONTINUOUS INTERNET TELEMETRY24H DRIFT8,913 material changesacross 5,753 domains · 24h to ~3h ago · -622 vs yesterdayDNS DRIFT89 domains changed DNS providertop destination koaladns.comNOW619 curated domains not reachablelast probe, steadySITE ERRORS17,581 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,127 sites429 rate-limit / 403 bot-block, a posture signal