Yes, x24.com can receive emails.
No, x24.com 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
192.99.83.151
MX records
ALT1.ASPMX.L.GOOGLE.com
64.233.186.26
ALT2.ASPMX.L.GOOGLE.com
74.125.193.27
ASPMX.L.GOOGLE.com
173.194.205.27
ASPMX2.GOOGLEMAIL.com
64.233.186.27
ASPMX3.GOOGLEMAIL.com
74.125.193.26