Yes, gsrv.co.uk can receive emails.
No, gsrv.co.uk 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
77.72.0.194
MX records
mx1.krystal.co.uk
77.72.5.97
mx2.krystal.co.uk
77.72.6.24