bind9 delegation
ubuntu at acrasis.net
ubuntu at acrasis.net
Mon Jan 14 05:06:50 UTC 2008
On a small network, a host 'neptune' is the nameserver for an internal
domain 'nicklan'. I would like one of the hosts, 'nicklite.nicklan', to
be the nameserver for the subdomain 'jupiter.nicklan'. The hosts in
this subdomain will all be one and the same as 'nicklite.nicklan'.
neptune and nicklite both run bind9. The respective zone files are
neptune:
@ IN SOA neptune.nicklan. root.localhost. (
56 ; Serial
3h ; Refresh
1h ; Retry
1w ; Expire
1h ) ; Negative Cache TTL
;
IN NS neptune.nicklan.
@ IN A 172.23.63.2
neptune IN A 172.23.63.2
nicklite IN A 172.23.63.100
; Attempt delegation of 'jupiter' subdomain.
jupiter.nicklan. IN NS ns.jupiter.nicklan.
ns.jupiter.nicklan. A 172.23.63.100
nicklite:
@ IN SOA ns.jupiter.nicklan. root.localhost. (
32 ; Serial
3h ; Refresh
1h ; Retry
1w ; Expire
1h ) ; Negative Cache TTL
;
IN NS ns.jupiter.nicklan.
@ IN A 172.23.63.100
ns IN A 172.23.63.100
foo IN CNAME ns
The nameserver on nicklite seems to work, e.g.
# host foo.jupiter.nicklan.
foo.jupiter.nicklan is an alias for ns.jupiter.nicklan.
ns.jupiter.nicklan has address 172.23.63.100
Likewise the nameserver on neptune, e.g.
# host nicklite.nicklan.
nicklite.nicklan has address 172.23.63.100
But the nameserver on neptune does not seem to know about the subdomain:
# host foo.jupiter.nicklan.
Host foo.jupiter.nicklan not found: 3(NXDOMAIN)
Am I trying to do something infeasible, and if not, how to make it work?
--
KM
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