Thanks Mark! it works. I change my query source to one of the entry below and it works. Mark Andrews wrote: > > query-source * port 53; // bad > query-source 10.53.0.1; // ok > query-source *; // ok (default) > > query-source-v6 * port 53; // bad > query-source-v6 10.53.0.1; // ok > query-source-v6 *; // ok (default) >