Yes, 211bigbend.org can receive emails.
Yes, 211bigbend.org seems to be a legitimate domain.
A record
75.2.70.75
MX records
211bigbend-org.mail.protection.outlook.com
104.47.36.36
mx1.emailsrvr.com
173.203.187.1
remote.211bigbend.org
173.10.201.157