kubernetes: Nameserver limits were exceeded, some nameservers have been omitted, the applied nameserver

Hi Team, I am new to k8s. i am installed k8s cluster successfully and i am able to access k8s Dashboard. But i am unable to access other apps from outside. i am getting below error. Kindly suggest me.

root@k8s-master:~# kubectl get svc --all-namespaces
NAMESPACE              NAME                        TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)                  AGE
default                kubernetes                  ClusterIP   10.96.0.1       <none>        443/TCP                  4d9h
default                nginx                       NodePort    10.99.240.41    <none>        80:31886/TCP             7h1m
kube-system            calico-etcd                 ClusterIP   10.96.232.136   <none>        6666/TCP                 3d10h
kube-system            kube-dns                    ClusterIP   10.96.0.10      <none>        53/UDP,53/TCP,9153/TCP   4d9h
kubernetes-dashboard   dashboard-metrics-scraper   ClusterIP   10.107.90.107   <none>        8000/TCP                 4d9h
kubernetes-dashboard   kubernetes-dashboard        NodePort    10.100.20.227   <none>        443:31074/TCP            4d9h
root@k8s-master:~# telnet 172.105.41.155 31074
Trying 172.105.41.155...
Connected to 172.105.41.155.
Escape character is '^]'.
^]
telnet> quit
Connection closed.
root@k8s-master:~# telnet 172.105.41.155 31886
Trying 172.105.41.155...
telnet: Unable to connect to remote host: No route to host
root@k8s-master:~#

Sep 16 14:30:57 k8s-master kubelet[1896]: E0916 14:30:57.426517 1896 dns.go:130] Nameserver limits were exceeded, some nameservers have been omitted, the applied nameserver line is: 172.105.35.5 172.105.36.5 172.105.37.5 Sep 16 14:31:25 k8s-master kubelet[1896]: E0916 14:31:25.426298 1896 dns.go:130] Nameserver limits were exceeded, some nameservers have been omitted, the applied nameserver line is: 172.105.35.5 172.105.36.5 172.105.37.5 Sep 16 14:31:32 k8s-master kubelet[1896]: E0916 14:31:32.426270 1896 dns.go:130] Nameserver limits were exceeded, some nameservers have been omitted, the applied nameserver line is: 172.105.35.5 172.105.36.5 172.105.37.5 Sep 16 14:31:56 k8s-master kubelet[1896]: E0916 14:31:56.426208 1896 dns.go:130] Nameserver limits were exceeded, some nameservers have been omitted, the applied nameserver line is: 172.105.35.5 172.105.36.5 172.105.37.5