Update get-started-per-hostname.mdx

Author: ngayerie

src/content/partials/cloudflare-for-platforms/get-started-per-hostname.mdx

@@ -18,12 +18,17 @@ You must complete both these steps for the hostname to work as expected.
 
 :::caution[Important]
 
-
 Depending on which method you select for each of these options, additional steps might be required for you and your customers.
 
+:::
+
+:::note
+
+Custom Hostnames pointing to Static IPs or BYOIPs that are associated to your account will validate, even if the IP is not the assigned apex proxying IP allocated for your account!
 
 :::
 
+
 ### Step 2 — Create custom hostname
 
 After planning for certification and hostname validation, you can create the custom hostname.