how to add hosts section in coredns configmap

kubectl edit cm -n kube-system coredns

 apiVersion: v1
 data:
   Corefile: |
     .:53 {
         errors
         health {
           lameduck 5s
         }
         ready
         kubernetes cluster.local in-addr.arpa ip6.arpa {
           fallthrough in-addr.arpa ip6.arpa
         }
     hosts {
         192.168.0.202 master1
         192.168.0.203 master2
         192.168.0.204 master3
         192.168.0.205 node1
         192.168.0.206 node2
         192.168.0.207 node3

         fallthrough
     }
         prometheus :9153
         forward . /etc/resolv.conf {
           max_concurrent 1000
         }
         cache 30
         loop
         reload
         loadbalance
     }
 kind: ConfigMap
 metadata:
   annotations:
     kubectl.kubernetes.io/last-applied-configuration: |