You can access WHM from an IP Address or Hostname you received in your welcome email with the following port.
https://$hostname.com:2087 (SSL Protected)
http://$hostname.com:2086 (Non-SSL – Insecure)
Login using the IP Address:
https://$ip-here:2087 (SSL Protected – Need Exception)
If your domain propagates, you will be able to access it from your domain like that: https://example.com:2087
How to Login to WHM?
Open your WHM URL, and once WHM opens in your browser, it will ask for your username/password.
Enter your Username, Password, and then click on Login. If your login details are correct, you will successfully log into your WHM Account.
Note: If you recently modified your domain DNS, the domain propagation can take up to 24 hours!