Select the IP addresses on which the DNS service will be available.
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DNS Responses
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Optimize responses (only include NS referrals when needed)
Most DNS servers send a lot of extra "additional" information in DNS responses which is never needed by clients or other servers. This can waste both CPU cycles and bandwidth.
With this option enabled, Simple DNS Plus responds with relevant "additional" data only.
Some DNS analyzers (software / websites) may claim that your server is not configured correctly (does not provide root records) when this is enabled. Technically this is not an error, but the analyzers expect those records simply because that's what most other DNS servers provide.
To satisfy such analyzers, simply disable this option, and then enable it again to improve performance when done analyzing.
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Use Round Robin (rotate DNS records in responses)
When this option is enabled and multiple records of the same type are defined for the same name, Simple DNS Plus automatically rotates these records in responses (See Round Robin).
