Yes, f.ht can receive emails.
Yes, f.ht seems to be a legitimate domain.
A record
52.28.236.0
MX records
alt1.aspmx.l.google.com.
209.85.202.26
alt2.aspmx.l.google.com.
64.233.184.27
aspmx.l.google.com.
142.250.31.27
aspmx2.googlemail.com.
209.85.202.27
aspmx3.googlemail.com.
64.233.184.27