Fixed handling of unknown field error

feed_dns.py

@@ -53,10 +53,9 @@ class Writer(multiprocessing.Process):
         try:
             for source in select(self.db, value):
                 write(self.db, name, updated, source=source)
-        except (ValueError, IndexError, KeyError):
+        except (ValueError, IndexError):
             # ValueError: non-number in IP
-            # IndexError: IP too big, missing field
-            # KeyError: Unknown type field
+            # IndexError: IP too big
             self.log.exception("Cannot execute: %s", record)
 
     def end(self) -> None:
@@ -149,7 +148,9 @@ class Rapid7Parser(Parser):
                     data['name'],
                     data['value']
                 )
-            except IndexError:
+            except (IndexError, KeyError):
+            # IndexError: missing field
+            # KeyError: Unknown type field
                 self.log.exception("Cannot parse: %s", line)
             self.register(record)