What changed on the internet 2026-07-21

2026-07-21 · top 20 of at least 33 by significance · 809,753 tracked domains

DNS provider changes

Resolution moved to a different operator.

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edge.org cloudflare.comeasydns.com + easydns.net + easydns.org
19:56 UTC · verify

DNS record changes

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

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flex.com No nameservers in the latest observation
19:19 UTC · verify

Certificate and TLS changes

Issuer switches, rotations, and expiries.

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avito.ru Hellenic Academic and Research Institutions CAGlobalSign nv-sa
19:39 UTC · verify

Reachability changes

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

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Email provider changes

The mail now routes through a different operator.

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CONTINUOUS INTERNET TELEMETRY24H DRIFT9,973 material changesacross 7,461 domains · 24h to ~2h ago · +2,608 vs yesterdayROTATION55 domains moved DNS from koaladns.com to magpiedns.com, 51 moved backa rotation loop, not a migration · 24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT1 changed registrar24hNOW629 curated domains not reachablelast probe, steadySITE ERRORS17,715 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 80,408 sites429 rate-limit / 403 bot-block, a posture signal