Yes, opka.org can receive emails.
No, opka.org 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
209.141.38.71
MX record
mail.opka.org
107.191.99.34
This domain has been found on www.tempmailaddress.com
See all 7 domains from tempmailaddress.com.