using unregistered domain names Post: 25659

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Special Forums IP Networking using unregistered domain names Post 25659 by warrend on Friday 2nd of August 2002 07:29:16 AM

08-02-2002

Registered User

DNS works on a tree principle.

When I perform a local DNS look-up, that request is forwarded to my DNS server. If that DNS server doesn't know where that domain is then it forwards the request to its DNS server (or the registrar DNS server of the top level domain [e.g. .com or .org]) Anyhow a request is forwarded up the tree until it hits someone that knows which DNS (nameserver) it resides on then it goes back down the tree to that namesever which provides the IP address, which is then sent back to the original DNS server, which then sends it back to the client.

Basically, if you make your own DNS server and say that IP address "x.x.x.x" is domain "anything.com", anybody getting DNS information from that DNS server will believe that IP address "x.x.x.x" is "anything.com". Now due to the fact that DNS operates in a tree structure your DNS server is going to be at the bottom of that, so no other DNS server should be querying you.

So in answer to your question, it really wouldn't make any difference. If your domain "anything.com" isn't registered at the TLD registrar (at the top of the tree) then my DNS server won't know that your DNS server is the host for that domain.

Hope this make sense.

warrend

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avahi-dnsconfd.action

avahi-dnsconfd.action(8)				      System Manager's Manual					  avahi-dnsconfd.action(8)

NAME

       avahi-dnsconfd.action - avahi-dnsconfd action script

SYNOPSIS

       /etc/avahi/avahi-dnsconfd.action

DESCRIPTION

       avahi-dnsconfd.action  is  the  action  script  that is called whenever a new unicast DNS server is found or removed by avahi-dnsconfd. The
       default script as shipped with avahi patches /etc/resolv.conf to reflect the changed unicast DNS server configuration.

PARAMETERS

       argv[1] Contains the character "+" if the DNS server is new, "-" when it shall be removed from the DNS server list.

       argv[2] The IP address of the DNS server.

       argv[3] Numerical network interface number this DNS server was found on.

       argv[4] Numerical protocol number this DNS server was found on. (usually 2 for IPv4 and 10 for IPv6)

ENVIRONMENT

       AVAHI_INTERFACE Contains the textual interface name the corresponds with argv[3]. (e.g. "eth0")

       AVAHI_INTERFACE_DNS_SERVERS Contains a list of all DNS servers that avahi-dnsconfd found on the interface  $AVAHI_INTERFACE,  separated	by
       spaces.

       AVAHI_DNS_SERVERS Contains a list of all DNS server that avahi-dnsconfd found on all interfaces, separated by spaces.

AUTHORS

       The Avahi Developers <avahi (at) lists (dot) freedesktop (dot) org>; Avahi is available from http://avahi.org/

SEE ALSO

       avahi-dnsconfd(8), avahi-daemon(8)

COMMENTS

       This man page was written using xml2man(1) by Oliver Kurth.

Manuals 							       User						  avahi-dnsconfd.action(8)