On 09.07.13 11:51, sumsum 2000 wrote:
I have a reverse lookup zone file configuration as follows:
zone "0/24.110.252.173.in-addr.arpa" {
[...]
When I do dig -x 172.252.110.27, I expect it to forward it to
10.10.96.1, but instead, it uses the default resolver.
[...]
So if DNS Server X is configured against this zone
, then any reverse DNS request for 173.252.110.0-173.252.110.255
should be forwarded via DNS Server X
Currently this is not the case. There is no forwarding in the above
scenario ( where CIDR notation x.x.x.x/Mask is used)
Neither the BIND nor DNS does use the CIDR format.
the resursive resolution searches for 27.110.252.173.in-addr.arpa which does
NOT belong into 0/24.110.252.173.in-addr.arpa, they are two separate names.
You would have to set up either zone 27.110.252.173.in-addr.arpa or
110.252.173.in-addr.arpa.
Only when the zone file is changed to
zone "110.252.173.in-addr.arpa" IN {
All the requests for
173.252.110.0-173.252.110.255 is forwarded to 10.10.96.1.
Use 110.252.173.in-addr.arpa then. You should be aware that the IP range
belongs to facebook, as already noted.
--
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