Yes, mailox.biz can receive emails.
No, mailox.biz is a throwaway domain and should be blocked.
You can use MailCheck's free API to automatically block throwaway emails. Read our documentation to get started. No registration required.
A record
91.195.240.94
MX records
mx1.mailox.biz
157.230.77.77
mx2.mailox.biz
157.230.77.77
mx3.mailox.biz
157.230.77.77
mx4.mailox.biz
157.230.77.77
mx5.mailox.biz
157.230.77.77