Yes you can. You will need to 1) purchase a web hosting package from us and 2) update the Name server to point to Cosmo.
Our Name Servers Details are as follow:
Primary Name Server: NS1.PRODNS.ASIA
Primary Name Server IP: 18.104.22.168
Secondary Name Server: NS2.PRODNS.ASIA
Secondary Name Server IP: 22.214.171.124