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34 lines
760 B
Markdown
34 lines
760 B
Markdown
# loadbalance
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## Name
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*loadbalance* - randomizes the order of A, AAAA and MX records.
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## Description
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The *loadbalance* will act as a round-robin DNS load balancer by randomizing the order of A, AAAA,
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and MX records in the answer.
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See [Wikipedia](https://en.wikipedia.org/wiki/Round-robin_DNS) about the pros and cons of this
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setup. It will take care to sort any CNAMEs before any address records, because some stub resolver
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implementations (like glibc) are particular about that.
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## Syntax
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~~~
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loadbalance [POLICY]
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~~~
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* **POLICY** is how to balance. The default, and only option, is "round_robin".
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## Examples
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Load balance replies coming back from Google Public DNS:
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~~~ corefile
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. {
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loadbalance round_robin
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forward . 8.8.8.8 8.8.4.4
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}
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~~~
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