Click your OneLinkBio profile above and select "Custom Domains"
And then click the green "Create" button on the right side corner
Add the domain or subdomain and the custom index URL
And then click the green "Create" button
Now you must CNAME details in your DNS. If you are using Cpanel this is under DNS ZONES. If you are using Cloudflare this is under DNS
CLOUDFLARE:
CPANEL:
