diff --git a/middleware/kubernetes/ns.go b/middleware/kubernetes/ns.go
index 84e3e2700..6a4a95af0 100644
--- a/middleware/kubernetes/ns.go
+++ b/middleware/kubernetes/ns.go
@@ -10,7 +10,7 @@ import (
 	"k8s.io/client-go/1.5/pkg/api"
 )
 
-const DefaultNSName = "ns.dns."
+const defaultNSName = "ns.dns."
 
 var corednsRecord dns.A
 
@@ -25,7 +25,7 @@ func (i interfaceAddrs) interfaceAddrs() ([]net.Addr, error) {
 }
 
 func (k *Kubernetes) recordsForNS(r recordRequest, svcs *[]msg.Service) error {
-	ns := k.CoreDNSRecord()
+	ns := k.coreDNSRecord()
 	s := msg.Service{
 		Host: ns.A.String(),
 		Key:  msg.Path(strings.Join([]string{ns.Hdr.Name, r.zone}, "."), "coredns")}
@@ -37,19 +37,19 @@ func (k *Kubernetes) recordsForNS(r recordRequest, svcs *[]msg.Service) error {
 // ns.dns.[zone] -> dns service ip. This A record is needed to legitimize
 // the SOA response in middleware.NS(), which is hardcoded at ns.dns.[zone].
 func (k *Kubernetes) defaultNSMsg(r recordRequest) msg.Service {
-	ns := k.CoreDNSRecord()
+	ns := k.coreDNSRecord()
 	s := msg.Service{
-		Key:  msg.Path(strings.Join([]string{DefaultNSName, r.zone}, "."), "coredns"),
+		Key:  msg.Path(strings.Join([]string{defaultNSName, r.zone}, "."), "coredns"),
 		Host: ns.A.String(),
 	}
 	return s
 }
 
 func isDefaultNS(name string, r recordRequest) bool {
-	return strings.Index(name, DefaultNSName) == 0 && strings.Index(name, r.zone) == len(DefaultNSName)
+	return strings.Index(name, defaultNSName) == 0 && strings.Index(name, r.zone) == len(defaultNSName)
 }
 
-func (k *Kubernetes) CoreDNSRecord() dns.A {
+func (k *Kubernetes) coreDNSRecord() dns.A {
 	var localIP net.IP
 	var svcName string
 	var svcNamespace string
@@ -87,7 +87,7 @@ func (k *Kubernetes) CoreDNSRecord() dns.A {
 		}
 
 		if len(svcName) == 0 {
-			corednsRecord.Hdr.Name = DefaultNSName
+			corednsRecord.Hdr.Name = defaultNSName
 			corednsRecord.A = localIP
 			return corednsRecord
 		}
diff --git a/middleware/kubernetes/ns_test.go b/middleware/kubernetes/ns_test.go
index 369ccbfb0..1f3e86632 100644
--- a/middleware/kubernetes/ns_test.go
+++ b/middleware/kubernetes/ns_test.go
@@ -119,7 +119,7 @@ func TestDoCoreDNSRecord(t *testing.T) {
 	k.interfaceAddrs = &interfaceAddrsTest{}
 	k.APIConn = &APIConnTest{}
 
-	cdr := k.CoreDNSRecord()
+	cdr := k.coreDNSRecord()
 
 	expected := "10.0.0.111"