On Mon, Jan 05, 2009 at 03:15:36AM -0800, Chris Henderson <henders254 at gmail.com> wrote a message of 12 lines which said: > That is, any one can use my name server to query any host name, > eg. www.google.com, www.yahoo.com etc. Is this a bad idea? Yes, very bad. See RFC 5358 <http://www.ietf.org/rfc/rfc5358.txt>