Yes, 77partners.vc can receive emails.
Yes, 77partners.vc seems to be a legitimate domain.
A record
198.185.159.144
MX records
alt1.aspmx.l.google.com.
209.85.202.27
alt2.aspmx.l.google.com.
64.233.184.26
aspmx.l.google.com.
172.253.122.27
aspmx2.googlemail.com.
209.85.202.27
aspmx3.googlemail.com.
64.233.184.27