What changed on the internet yesterday

2026-10-18 · top 20 of at least 44 by significance · 809,754 tracked domains

Reachability changes

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

Full report

DNS provider changes

Resolution moved to a different operator.

Full report

Email authentication changes

SPF, DKIM, and DMARC posture moves.

longer3d.com SPF weakened: SPF with -all (hard fail) → SPF without -all
17:51 UTC · verify
fineshare.com SPF weakened: SPF with -all (hard fail) → SPF without -all
18:53 UTC · verify

Email provider changes

The mail now routes through 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)
12:26 UTC · verify
CONTINUOUS INTERNET TELEMETRY24H DRIFT4,292 material changesacross 1,339 domains · 24h to ~3h ago · -810 vs yesterdayROTATION76 domains moved DNS from koaladns.com to magpiedns.com, 74 moved backa rotation loop, not a migration · 24hEMAIL DRIFT2 domains switched email provider24hREGISTRAR DRIFT1 changed registrar24hNOW1,032 curated domains not reachablelast probe, steadySITE ERRORS17,861 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 91,638 sites429 rate-limit / 403 bot-block, a posture signal