What changed on the internet 2026-04-20

2026-04-20 · top 16 of at least 16 by significance · 809,753 tracked domains

DNS record changes

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

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mobi.com ns4.mobi.net, ns2.mobi.io, ns3.mobi.ca +1 morehe.net
06:01 UTC · verify
tomtop.com ns-1525.awsdns-62.org, ns-1789.awsdns-31.co.uk, ns-469.awsd…name-services.com
23:56 UTC · verify
cheniere.com Nameserver removed: ns3-05.azure-dns.org, ns4-05.azure-dns.info, ns2-05.azure-d…
03:06 UTC · verify
msf.org Nameserver removed: ns1.gcorelabs.net, ns2.gcdn.services
22:11 UTC · verify

Reachability changes

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

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Certificate and TLS changes

Issuer switches, rotations, and expiries.

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CONTINUOUS INTERNET TELEMETRY24H DRIFT11,018 material changesacross 7,591 domains · 24h to ~2h ago · +5,233 vs yesterdayROTATION61 domains moved DNS from kirklanddc.com to koaladns.com, 51 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT1 changed registrar24hNOW656 curated domains not reachable+31 vs yesterdaySITE ERRORS17,724 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 88,649 sites429 rate-limit / 403 bot-block, a posture signal