Yes, 4k5.net can receive emails.
No, 4k5.net 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
104.27.203.89
MX records
mx.zoho.com
204.141.43.44
mx2.zoho.com
136.143.183.44
mx3.zoho.com
136.143.191.44
This domain has been found on xkx.me
See all 5 domains from xkx.me.