[Pdns-users] Generating PTR Records for IPv4 and IPv6 Addresses on the fly

[Ambauen Daniel (ID)]

Dear List

There is a possibility to create PTR records dynamically with Lua Records (Reverse DNS functions createReverse and createReverse6).

For IPv4 addresses the Lua records seem to me a suitable possibility. 
For example to cover a subnet /16 you need 255 Lua records.

When IPv6 comes into play it gets more difficult.
Just as an example, if I want to cover a /48 prefix I need a huge amount of Lua records. 
There must be a better solution to solve this problem.

I ask myself if there is a way to achieve the same goal with the Lua2 backend. 

The Lua2 backend generates a response for each PTR request, if the PostgreSQL backend does not provide a response 
the Lua2 PTR response is sent instead of the NXDOMAIN message. 
With such a solution all Lua records in the arpa domains are unnecessary.
   
Is something like this possible with the Lua2 backend?

We are using PowerDNS Authoritative Server 4.6.2

Kind regards
Daniel

-------------------------------
ETH Zürich
Daniel Ambauen
ID Infrastructure
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