DNS reverse sub delegation NXDOMAIN problem, Class C
Matus UHLAR - fantomas
uhlar at fantomas.sk
Tue Aug 19 13:40:49 UTC 2014
>On 19/08/14 13:12, Bazy V wrote:
>>0.220/24 NS ns2.sub.test.com
On 19.08.14 13:37, Phil Mayers wrote:
>You don't need to do this. You just need:
>220 NS ns2.sub.test.com.
>RFC 2317 is only need for /25 and longer.
... and it exactly causes the problem.
if ns2.sub.test.com contains 220.20.172.IN-ADDR.ARPA, resolution should
work the usual way.
Delegating 220/24.20.172.IN-ADDR.ARPA. to ns2.sub.test.com, you'd have to
create CNAMEs for 0.220/24 to 255.220/24, whic would be an overkill.
Note that either 0.220/24 wasn't technically correct, it should be:
220/24 NS ns2.sub.test.com.
0.220 CNAME 0.220/24
but that's an overkill as Phil correctly pointed out.
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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