[isp-dns] DNS zone!

["Firas A. Mubarak" <dns@...]

Dear All,
Does anyone know how i can configure my BIND dns server for lets say a
domain names :  123.com
so whenever i want to browse its website i dont have to type www.123.com
i want to type 123.com and the site comes!!
any help would be appreciated.

Best Regards,
Firas