Oh so DNS only uses TCP for zone transfers? I wondered about that. <closes port on firewall> Joshua Jore Minneapolis Ward 3, precinct 10 "The irony of this man being imprisoned in the United States and longing to return to once-Communist Russia so he can regain his right to free speech is simply staggering." - Paul Cantrell, St Paul area software developer On Tue, 18 Sep 2001, Nate Straz wrote: > On Tue, Sep 18, 2001 at 02:28:23PM -0500, Carl Wilhelm Soderstrom wrote: > > the simple way to check if there's a DNS server at least listening; is to > > telnet to port 53. > > That may work for DNS servers that are allowing zone transfers, but most > of DNS is run using UDP. How do you telnet to a UDP port? You don't. > > You could use dig and specify the server like so: > > # dig @1.2.3.4 host A > > Nate > _______________________________________________ > tclug-list mailing list > tclug-list at mn-linux.org > https://mailman.mn-linux.org/mailman/listinfo/tclug-list >