path: root/middleware/pkg/dnsutil/dedup.go

package dnsutil

import "github.com/miekg/dns"

// Dedup de-duplicates a message.
func Dedup(m *dns.Msg) *dns.Msg {
	// TODO(miek): expensive!
	m.Answer = dns.Dedup(m.Answer, nil)
	m.Ns = dns.Dedup(m.Ns, nil)
	m.Extra = dns.Dedup(m.Extra, nil)
	return m
}