Website not Opening with www

[lashpashchat]

sorry for my weak English Website not Opening with www how to resolve it? i am new in Cpanel hosting. last time i Purchase Cpanel hosting for my website. when i open my website with www.example.com its not open but when i open it with out www then its open and work properly. how can i resolve it?

 

[cPanelMichael]

Hello

Check to ensure you have configured your name servers at your domain registrar to the ones provided to you by your hosting provider. You can use a website such as IntoDNS to verify the name servers are properly configured.

Thank you.