First commit

core/setup/bindhost.go

@@ -0,0 +1,13 @@
+package setup
+
+import "github.com/miekg/coredns/middleware"
+
+// BindHost sets the host to bind the listener to.
+func BindHost(c *Controller) (middleware.Middleware, error) {
+	for c.Next() {
+		if !c.Args(&c.BindHost) {
+			return nil, c.ArgErr()
+		}
+	}
+	return nil, nil
+}