please forgive me if i'm missing something obvious, but in
discussions about setting up firewalls, usually there is *one*
firewall host that provides mail, news, anonymous ftp and--the topic
of this message--dns to both internal and external hosts.
dns requires that each domain have two name servers. if my firewall
only allows one host in my network (and domain as well) to be accessed,
where does this second name server come from?
or, have people been simply providing just one name server?