What changed on the internet 2026-07-28

2026-07-28 · top 14 of at least 14 by significance · 809,753 tracked domains

Reachability changes

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

Full report
cal.com HTTP 200no response
00:09 UTC ·flapped 3x today · verify

Email authentication changes

SPF, DKIM, and DMARC posture moves.

shopify.com SPF weakened: SPF with -all (hard fail) → SPF without -all
04:40 UTC ·flapped 5x today · verify
shopify.com SPF strengthened: SPF without -all → SPF with -all (hard fail)
04:27 UTC ·flapped 4x today · verify
CONTINUOUS INTERNET TELEMETRY24H DRIFT5,389 material changesacross 2,692 domains · 24h to ~40m ago · -22,543 vs yesterdayROTATION61 domains moved DNS from magpiedns.com to koaladns.com, 56 moved backa rotation loop, not a migration · 24hNOW647 curated domains not reachablelast probe, steadySITE ERRORS17,707 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,467 sites429 rate-limit / 403 bot-block, a posture signal