What changed on the internet 2026-09-26

2026-09-26 · 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

Email authentication changes

SPF, DKIM, and DMARC posture moves.

DNS provider changes

Resolution moved to a different operator.

Full report

Certificate and TLS changes

Issuer switches, rotations, and expiries.

Full report
facebook.com Certificate EXPIRED with no renewal (was valid until 2021-07-31T12:00:00.000Z)
19:29 UTC · verify
CONTINUOUS INTERNET TELEMETRY24H DRIFT5,407 material changesacross 2,208 domains · 24h to ~40m ago · +305 vs yesterdayROTATION74 domains moved DNS from magpiedns.com to koaladns.com, 73 moved backa rotation loop, not a migration · 24hEMAIL DRIFT1 domain switched email provider24hNOW1,011 curated domains not reachablelast probe, steadySITE ERRORS17,853 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 91,490 sites429 rate-limit / 403 bot-block, a posture signal