reverse zone delegation question
dr sarcophagus
drsarcophagus at wharton.upenn.edu
Thu Jul 6 19:13:09 UTC 2006
hello.
i have a class-b block of ip addresses.
from that, i wish to delegate one or more /24-sized blocks of addresses to
another nameserver, but i'm having some problems getting this to work.
as i understand, since i'm using properly-aligned address blocks, i shouldn't
have to employ any rfc2317-style antics to get this to work.
in this, case, the zone file below serves 10.189.0.0/16, and i wish
to delegate administration of 10.189.21.0/24 to dns1.example2.com.
i've set up the 21.189.10.in-addr.arpa zone on dns1.example2.com, and can
query the SOA record for that zone on that server, but when I attempt to
query the SOA record using the primary master here (dns1.example.com), it
fails.
queries of the PTR records below succeed.
this should be a simple case, and i believe my syntax to be correct.
any thoughts? any help is much appreciated.
; --- 10.189.rev -----------------------------------------------------------
$TTL 6h
@ IN SOA dns1.example.com. dns.example.com. (
2006070612 21600 3600 3628800 21600)
;
; Serial Refresh Retry Expire Minimum
; yyyymmddnn 6h 1h 42d 6h
;
@ IN NS dns1.example.com.
IN NS dns2.example.com.
;
; 10.189.0.0/16
;
; reverse mappings to hosts
;
;
; 10.189.0.0/24 - Loopback Addresses
;
1.0 IN PTR a001.example.com.
2.0 IN PTR a002.example.com.
3.0 IN PTR a003.example.com.
4.0 IN PTR a004.example.com.
;
; 10.189.16.0/24 - Server Farm
;
1.16 IN PTR b001.example.com.
2.16 IN PTR b002.example.com.
3.16 IN PTR b003.example.com.
;
; 10.189.21.0/24 - delegate
;
21.189.10.in-addr.arpa. IN NS dns1.example2.com.
;
; 10.189.128.0/24 - User Network 1
;
1.128 IN PTR c001.example.com.
2.128 IN PTR c002.example.com.
3.128 IN PTR c003.example.com.
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