How does Netlify knows which site to route to if using A record point to load balancers?

[perry]

did you give this a read through by chance?

[Support Guide] Can I host my site on Netlify but keep my DNS at my domain registrar?

Last reviewed by Netlify Support: Sep 2023 You sure can! This will be a three-step process but don’t worry, it’s not that hard. Go ahead and log in to your Netlify account, and add the name of the awesome domain you own to your site in Site settings > Domain management >Domains > Production domains. Pull up the website for your DNS host. This is likely your domain registrar, aka the place where you bought your domain. You’ll want to navigate to your DNS records section and create these t…