Error "Query section mismatch : got"
Matus UHLAR - fantomas
uhlar at fantomas.sk
Wed Aug 19 14:41:10 UTC 2020
>On Wed, Aug 19, 2020 at 7:42 AM Matus UHLAR - fantomas
><uhlar at fantomas.sk> wrote:
>> again, why you query for 250.0-24.199.212.125.in-addr.arpa
>> under normal circumstances there's no point of querying that name.
On 19.08.20 10:05, tale via bind-users wrote:
>Well yes and no. While an individual user would typically not,
>resolvers sure will. While trying to resolve
>250.199.212.125.in-addr.arpa, it will eventually get to
>250.199.212.125.in-addr.arpa CNAME 250.0-24.199.212.125.in-addr.arpa.
my question is why would anyone do this, as this apparently does not make
sense.
someone (vietel) illogically delegated whole /24 subnet to broken servers:
199.212.125.in-addr.arpa. 86400 IN NS dns2.vietel.com.vn.
199.212.125.in-addr.arpa. 86400 IN NS dns1.vietel.com.vn.
0.199.212.125.in-addr.arpa has address 125.235.4.59
1.199.212.125.in-addr.arpa is an alias for 1.0-24.199.212.125.in-addr.arpa.
...
255.199.212.125.in-addr.arpa is an alias for 255.0-24.199.212.125.in-addr.arpa.
> Then it will need to resolve the canonical name, and a response like
>the original one that was shown will be clearly buggy.
>
>I say "possibly" because from my vantage, all three of
>ns{,1,2}.viettelidc.com.vn, the authorities for
>0-24.199.212.125.in-addr.arpa, are giving fine answers right now (on
>udp; blocked on tcp). This includes the originally reported problem
>IP, 115.84.177.8
--
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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