What changed on the internet 2026-09-23

2026-09-23 · top 20 of at least 28 by significance · 809,754 tracked domains

Reachability changes

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

Full report

DNS record changes

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

Full report

DNS provider changes

Resolution moved to a different operator.

Full report

Email authentication changes

SPF, DKIM, and DMARC posture moves.

vision360.bo SPF strengthened: SPF without -all → SPF with -all (hard fail)
20:09 UTC · verify
CONTINUOUS INTERNET TELEMETRY24H DRIFT5,717 material changesacross 2,529 domains · 24h to ~40m ago · +707 vs yesterdayROTATION71 domains moved DNS from magpiedns.com to koaladns.com, 71 moved backa rotation loop, not a migration · 24hNOW999 curated domains not reachablelast probe, steadySITE ERRORS17,854 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 91,566 sites429 rate-limit / 403 bot-block, a posture signal