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pdns-tools

Why

I have one supermaster and a bunch of slaves. The problem I had is that I can remove a domain + records from the supermaster, but having to remove the domain + records from every slave is a tedious task. Therefor I've created a simple cleanup script: pdns_clean.sh.

What does it do

This tool will check all zones that should be removed. If run without arguments, it will only list the results, if run with '-f' it will remove domains and records.

To summarizes the steps the script takes (assuming '-f'):

  • It will fetch all domains from the database that has the ip of a supermaster MASTER
  • Then it will use dig in tcp mode (reliable imho) to get the NS records for every domain from the supermaster
  • If the dig command was succesful and your current slave is not in the resultset, this domain must be removed
  • Remove domain and it's records from the database

That's it!

What does it not do

Check and/or remove SLAVE zones that haven't been configured with a supermaster ip