Set Authoritative Answer - DNSKEY (fix #210) (#212)

* Authoritative Answer - DNSKEY

* Improve Style

middleware/dnssec/handler.go

@@ -26,6 +26,7 @@ func (d Dnssec) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg)
 		for _, z := range d.zones {
 			if qname == z {
 				resp := d.getDNSKEY(state, z, do)
+				resp.Authoritative = true
 				state.SizeAndDo(resp)
 				w.WriteMsg(resp)
 				return dns.RcodeSuccess, nil

middleware/dnssec/handler_test.go

@@ -129,6 +129,10 @@ func TestLookupDNSKEY(t *testing.T) {
 		}
 		resp := rec.Msg()
 
+		if !resp.Authoritative {
+			t.Errorf("Authoritative Answer should be true, got false")
+		}
+
 		sort.Sort(test.RRSet(resp.Answer))
 		sort.Sort(test.RRSet(resp.Ns))
 		sort.Sort(test.RRSet(resp.Extra))