Where does this come from?

Bill Manning bmanning at ISI.EDU
Tue Nov 21 20:42:48 UTC 2000


% 
% I was having some problems with my name server. I believe that I got them all fixed but I have started to recieve these errors...
% 
% 
% Nov 21 17:15:01 tar-valon named[7997]: Lame server on '5.6.254.169.in-addr.arpa' (in '6.254.169.in-addr.arpa'?): [128.9.64.26].53 'blackhole.isi.edu'
% Nov 21 17:15:03 tar-valon named[7997]: ns_forw: query(5.6.254.169.in-addr.arpa) All possible A RR's lame
% 
% 


Hi.  You are "victimized" by using link-local space. This prefix is reserved
for use in a single broadcast domain when end systems are configured to 
use IP and there is no address specified, no DHCP server responds, or the
DHCP pool is exausted.  Since this is a special use prefix, it is mapped to
the same nameservers as the RFC 1918 space. What that means to you is that
you'll never get good, consistant resolution for these numbers -unless- you 
block DNS queries at your gateway and stand up your own authoritative server
for this prefix.


--bill



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