Godaddy

1. Log in http://www.godaddy.com

   2. At My Account, click the Launch

   3. At the left of domain name list, click the domain name you want to modify, and then click the Nameservers on the top of the page.

   4. Choose Custom, and then click Add Nameservers on the down left corner

   5. Enter three short DNS addresses of DNSPod, and save it. Then please wait for it going into effect.
   a.dnspod.com
   b.dnspod.com
   c.dnspod.com