Hello thanks for answer, All domains in the list has the same IP address, they're on the same IIS host. How does the datagroup should look like?
Do you mean all of the domains resolve to the same IP address? Are you doing host-based redirection in IIS?
Another question, what to do if user typed the domain name without www ? Can I do a "contains" match instead of equal?
You can use "starts_with", "end_with", "contains", and "equals" in a class match.
Where do I specify the node name?
When you say "node name", what do you mean specifically? You stated that all of the domains are using a single IP, so that'd only be one node. In order to effective load balance these services, there needs to be some separation. If you're doing host-based redirection in IIS, then a separate load balancer isn't really doing anything for you since it's simply sending all traffic to a single IP address. Ultimately, you either want to separate these services by IP, or at the very least port. That way, should you ever need to use TWO servers to handle a given application, you can drop those into a pool and actually load balance and monitor them.