while validating cluster getting below error


root@ip-172-31-22-138:~# kops validate cluster
Using cluster from kubectl context: demo1212.k8s.valaxy.net

Validating cluster demo1212.k8s.valaxy.net


unexpected error during validation: unable to resolve Kubernetes cluster API URL dns: lookup api.demo1212.k8s.valaxy.net on 127.0.0.53:53: server misbehaving
