CONTINUOUS INTERNET TELEMETRY24H DRIFT2,243 material changesacross 1,737 domains · last 24h · +327 vs yesterdayDNS DRIFT34 domains changed DNS providertop destination cloudflare.com · +4 vs yesterdayEMAIL DRIFT7 domains switched email providertop destination google.comCERT DRIFT7 domains switched issuing CA24hNOW503 curated domains not reachablelast probe, steadySITE ERRORS22,841 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 119,112 sites429 rate-limit / 403 bot-block, a posture signal

Is this domain protected from DNS tampering?

github.com

Try cloudflare.com, github.com. Free, no signup, bookmarkable.
Running a live dnssec check on github.com. This is a live reading, taken just now.