What changed on the internet 2026-04-21

2026-04-21 · top 20 of at least 27 by significance · 809,753 tracked domains

DNS record changes

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

Full report
mobi.com ns4.mobi.net, ns2.mobi.io, ns3.mobi.ca +1 morehe.net
13:16 UTC · verify
arysta.com ns4-07.azure-dns.info, ns3-07.azure-dns.org, ns2-07.azure-d…ns4-08.azure-dns.info, ns1-08.azure-dns.com, ns2-08.azure-d…
12:11 UTC · verify
clearent.com oraclecloud.netns4-01.azure-dns.info, ns3.p10.dynect.net, ns2-01.azure-dns…
12:16 UTC · verify

Reachability changes

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

Full report
CONTINUOUS INTERNET TELEMETRY24H DRIFT11,244 material changesacross 7,631 domains · last 24h · +5,459 vs yesterdayROTATION57 domains moved DNS from kirklanddc.com to koaladns.com, 52 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT1 changed registrar24hNOW646 curated domains not reachablelast probe, steadySITE ERRORS17,718 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 88,654 sites429 rate-limit / 403 bot-block, a posture signal