diff --git a/types/zone.go b/types/zone.go
new file mode 100644
index 0000000..1177427
--- /dev/null
+++ b/types/zone.go
@@ -0,0 +1,20 @@
+package types
+
+import (
+	"bytes"
+	"fmt"
+)
+
+type (
+	Zone string
+)
+
+func (z *Zone) UnmarshalJSON(in []byte) error {
+	in = bytes.Trim(in, `"`)
+
+	if in[len(in)-1] != '.' {
+		return fmt.Errorf("not a valid zone name")
+	}
+	*z = Zone(in)
+	return nil
+}