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 }