Traefik nomad and consul

Hi all,

I'm new to traefik and I have some doubts deploying on nomad + consul cluster.
Currently I have a container (type system) running on all nomad clients nodes. I'm using consul to get service name and using frontend rule to create Host based on service.domain.
My doubts start here, what IPs should I put on DNS server in order to handle failure nodes? I think I can use the IPs of all the nomad client nodes but I'm not sure. What's the best way to deploy traefik on a nomad cluster? Should I put it outside nomad cluster?

Sorry for all the questions, but I think traefik is the way to go.