You are have at least four ways for get it:
1. You can edit c:\windows\system32\drivers\etc\hosts to match the domain name and IP-address to bypass the DNS system
2. In the IP-addresses menu you can change default domain and open site by
http://ip-address
3. Enable mod_userdir module in apache configuration and domain will be avaible as
http://ip/~account because in home directory user have symbol link public_html to www/domain
4. Add a domain that is already resolved to server IP-address in the WWW domain parameters Aliases field.