CONTINUOUS INTERNET TELEMETRY24H DRIFT2,567 material changesacross 2,069 domains · last 24h · +651 vs yesterdayDNS DRIFT39 domains changed DNS providertop destination cloudflare.com · +9 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.comCERT DRIFT7 domains switched issuing CA24h

Can someone fake email from this domain?

github.com

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