Forking litecoin seeder

hello, I am forking litecoin seeder so I compiled and run the source VPS server on 5353 port. first created dnsseed.example.com NS record that points to following A record, next created A record that points to VPS’s ip address. however no answer section on command screen /dig -t NS dnsseed.example.com/

who knows any detailed guide to build up a litecoin seeder.
tried many times but nothing done.

Same here, please tell me if you got any solution