code: func (r Utility_Network) NsLookup(address *string, typ *string) (resp string, err error) {
  	params := []interface{}{
  		address,
  		typ,
  	}
  	err = r.Session.DoRequest("SoftLayer_Utility_Network", "nsLookup", params, &r.Options, &resp)
  	return
  }
docs: // A method used to return the nameserver information for a given address