It is not recommended to add entries to the hosts file in ESXi. For your DNS, are you sure that you entered the correct address in the vmkernel DNS settings?
Can you ping the IP of the DNS server from inside the host through SSH?
It is not recommended to add entries to the hosts file in ESXi. For your DNS, are you sure that you entered the correct address in the vmkernel DNS settings?
Can you ping the IP of the DNS server from inside the host through SSH?