Redirecting a Porkbun domain to HostGator involves updating the domain's DNS settings. First, log in to your Porkbun account and navigate to the "Domain Details" for the domain you want to redirect. Locate the "Nameservers" section and replace the default Porkbun nameservers with the custom nameservers provided by HostGator (usually something like ns1.hostgator.com and ns2.hostgator.com). Save the changes; DNS propagation may take up to 48 hours. Alternatively, you can use Porkbun's URL forwarding feature if you're only redirecting traffic, not hosting. In that case, enter the HostGator site URL in the HTTP redirect field. This setup ensures that visitors to your Porkbun domain are directed to your HostGator-hosted website efficiently and reliably.