This is optional, you can simply update your nameservers where you bought your domain or ask your domain provider to update them for you.

Our nameservers:

ns1.web-hosting-uk.com - 185.122.59.42
ns2.web-hosting-uk.com - 185.133.192.175

Should you want to move your domain to us to make it easier and have everything in one place you can transfer your domain by clicking here.