Hyperlocal RFC8806 Root Mirror

Michael Richardson mcr at sandelman.ca
Wed Sep 27 18:15:43 UTC 2023


Silva Carlos <scarlos.4566 at gmail.com> wrote:
    > On server A I configured HyperLocal. On Server B I did NOT configure
    > HyperLocal.

    > I ran the command "dig @localhost EXAMPLES" on both servers.
    > EXAMPLES: blabla.sdf.dd or teste.com.eroterrter or world.nanana

    > Problem: Both Servers report that "Query TIme = 0 ms". I understand that
    > Server A should result in 0ms and Server B should have a non-zero time as
    > Server B does not have a copy of the Root Zone DB.

    > Question: Where am I going wrong? Am I missing some basic principle?

1. Server B could have cached the result already.
   Make sure you start it cold.
2. The query is probably taking between 0ms and 1ms, but rounds down to 0ms.

To be sure, you could tcpdump the network on server B.

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