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.TH "COREDNS-LOADBALANCE" "7" "April 2019" "CoreDNS" "CoreDNS Plugins"

.SH NAME
.PP
\fIloadbalance\fP - randomize the order of A, AAAA and MX records.

.SH DESCRIPTION
.PP
The \fIloadbalance\fP will act as a round-robin DNS loadbalancer by randomizing the order of A, AAAA,
and MX records in the answer.

.PP
See Wikipedia
\[la]https://en.wikipedia.org/wiki/Round-robin_DNS\[ra] about the pros and cons on this
setup. It will take care to sort any CNAMEs before any address records, because some stub resolver
implementations (like glibc) are particular about that.

.SH SYNTAX
.PP
.RS

.nf
loadbalance [POLICY]

.fi
.RE

.IP \(bu 4
\fBPOLICY\fP is how to balance, the default, and only option, is "round_robin".


.SH EXAMPLES
.PP
Load balance replies coming back from Google Public DNS:

.PP
.RS

.nf
\&. {
    loadbalance round\_robin
    forward . 8.8.8.8 8.8.4.4
}

.fi
.RE