Can someone fake email from this domain?

SPF, DMARC, DKIM and MTA-STS, and whether they actually protect you.

Try cloudflare.com, github.com. One domain in, one answer out. No account needed.
CONTINUOUS INTERNET TELEMETRY24H DRIFT41,982 material changesacross 40,107 domains · 24h to ~2h ago · +2,742 vs yesterdayROTATION69 domains moved DNS from kirklanddc.com to magpiedns.com, 65 moved backa rotation loop, not a migration · 24hEMAIL DRIFT7 domains switched email provider24hNOW502 curated domains not reachable-89 vs yesterdaySITE ERRORS33,725 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,840 sites429 rate-limit / 403 bot-block, a posture signal