cls not self

octodns/record/ds.py

@@ -48,7 +48,7 @@ class DsValue(EqualityTupleMixin, dict):
             # it is safe to assume if public_key or flags are defined then it is "old" style
             # A DS record without public_key doesn't make any sense and shouldn't have validated previously
             if "public_key" in value or "flags" in value:
-                self.log.warning(
+                cls.log.warning(
                     '"algorithm", "flags", "public_key", and "protocol" support is DEPRECATED and will be removed in 2.0'
                 )
                 try: