[Pdns-users] Find best zone for given record

[William Edwards]

For future readers: I believe the relevant function is 
`dim.models.dns.Zone._candidates`. Thanks Thomas!

Thomas Mieslinger via Pdns-users schreef op 2023-02-03 08:54:
> Hi William,
> 
> DIM (https://github.com/1and1/dim) implements this "find most specific
> zone" for forward and reverse zones. It automatically moves records 
> when
> you create a more specific zone.
> 
> Cheers Thomas
> 
> On 2/2/23 17:25, William Edwards via Pdns-users wrote:
>> Hi,
>> 
>> Is anyone aware of an existing Python/PHP library/function that finds
>> the 'best' zone for a given record?
>> 
>> For example, the following PTR records and DNS zones would be matched
>> correctly:
>> 
>> - DNS zone '80.10.in-addr.arpa.'
>> - DNS zone '40.10.in-addr.arpa.'
>> - PTR record '20.1.80.10.in-addr.arpa.'
>> - PTR record '12.1.40.10.in-addr.arpa.'
>> 
>> I came across
>> https://github.com/PowerDNS/pdns/blob/3ba8b76c8e55fd14397ef73e4fa1e29a92cc9097/pdns/ueberbackend.cc#L320 
>> (`UeberBackend::getAuth`), which does the same.
>> 
>> It was used for `set-ptr` until its deprecation:
>> https://github.com/PowerDNS/pdns/commit/65e921299bf55d5c420e2c7aae1b66c08865cd87#diff-ac1312d4611881e640a571bbe99180d88c382614a910c22ab0b527eddf38d00bL568
>> 
>> However, it seems like `set-ptr` was partly deprecated (?) due to
>> `UeberBackend::getAuth` not being fully accurate, according to
>> https://github.com/PowerDNS/pdns/issues/4656#issuecomment-445736542
>> 
>> With kind regards,
>> 
>> William Edwards
>> 
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-- 
With kind regards,

William Edwards