Dynamic DNS

October 19, 2010

If you host your own domain name server and if you want to securely and dynamically update some DNS entries, here is a small howto.

Here is in a nutshell what we are going to do:

  1. Create a secret key to securely update the DNS zone
  2. Configure a dynamic (sub) zone in your DNS server
  3. Create a script to update a DNS entry

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