What changed on the internet 2026-04-19

2026-04-19 · top 20 of at least 146 by significance · 809,753 tracked domains

Reachability changes

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

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Certificate and TLS changes

Issuer switches, rotations, and expiries.

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DNS record changes

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

Full report
CONTINUOUS INTERNET TELEMETRY24H DRIFT10,868 material changesacross 7,558 domains · 24h to ~2h ago · +5,083 vs yesterdayROTATION60 domains moved DNS from kirklanddc.com to koaladns.com, 52 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT1 changed registrar24hNOW658 curated domains not reachable+33 vs yesterdaySITE ERRORS17,725 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 88,653 sites429 rate-limit / 403 bot-block, a posture signal