If your newly created Azure VM is missing Public IP address (DNS name) as shown below then follow the steps to attach public IP to this VM-
>>Login to azure portal
>>In “All Services”, search for “Public IP addresses” and Add new IP Address resource by providing IP address resource name, DNS name and the resource group. Then click Create.
>> Once the Public IP resource is created, it will look like this
>>Now select the virtual machine, click on Networking and then click on Network interface
>>Click on IP Configurations and then the ipconfig1
>>Under Public IP address settings, click Enabled and then select the IP address resource created earlier and then Save
>> The virtual machine will have now Public IP address and DNS name as show below-