1 files changed, 19 insertions, 0 deletions
diff --git a/plugin/auto/xfr.go b/plugin/auto/xfr.go
new file mode 100644
index 000000000..6fef8b9e8
--- /dev/null
+++ b/plugin/auto/xfr.go
@@ -0,0 +1,19 @@
+package auto
+
+import (
+	"github.com/coredns/coredns/plugin/transfer"
+
+	"github.com/miekg/dns"
+)
+
+// Transfer implements the transfer.Transfer interface.
+func (a Auto) Transfer(zone string, serial uint32) (<-chan []dns.RR, error) {
+	a.Zones.RLock()
+	z, ok := a.Zones.Z[zone]
+	a.Zones.RUnlock()
+
+	if !ok || z == nil {
+		return nil, transfer.ErrNotAuthoritative
+	}
+	return z.Transfer(serial)
+}