diff --git a/octodns/cmds/dump.py b/octodns/cmds/dump.py
index e4c4987..9f5e0aa 100755
--- a/octodns/cmds/dump.py
+++ b/octodns/cmds/dump.py
@@ -18,6 +18,9 @@ def main():
     parser.add_argument('--output-dir', required=True,
                         help='The directory into which the results will be '
                         'written (Note: will overwrite existing files)')
+    parser.add_argument('--lenient', action='store_true', default=False,
+                        help='Ignore record validations and do a best effort '
+                        'dump')
     parser.add_argument('zone', help='Zone to dump')
     parser.add_argument('source', nargs='+',
                         help='Source(s) to pull data from')
@@ -25,7 +28,7 @@ def main():
     args = parser.parse_args()
 
     manager = Manager(args.config_file)
-    manager.dump(args.zone, args.output_dir, *args.source)
+    manager.dump(args.zone, args.output_dir, args.lenient, *args.source)
 
 
 if __name__ == '__main__':
diff --git a/octodns/manager.py b/octodns/manager.py
index 5feed8e..07719dd 100644
--- a/octodns/manager.py
+++ b/octodns/manager.py
@@ -323,7 +323,7 @@ class Manager(object):
 
         return zb.changes(za, _AggregateTarget(a + b))
 
-    def dump(self, zone, output_dir, source, *sources):
+    def dump(self, zone, output_dir, lenient, source, *sources):
         '''
         Dump zone data from the specified source
         '''
@@ -342,7 +342,7 @@ class Manager(object):
 
         zone = Zone(zone, self.configured_sub_zones(zone))
         for source in sources:
-            source.populate(zone)
+            source.populate(zone, lenient=lenient)
 
         plan = target.plan(zone)
         target.apply(plan)
diff --git a/tests/test_octodns_manager.py b/tests/test_octodns_manager.py
index fa8bdd1..641c1ff 100644
--- a/tests/test_octodns_manager.py
+++ b/tests/test_octodns_manager.py
@@ -195,15 +195,15 @@ class TestManager(TestCase):
             manager = Manager(get_config_filename('simple.yaml'))
 
             with self.assertRaises(Exception) as ctx:
-                manager.dump('unit.tests.', tmpdir.dirname, 'nope')
+                manager.dump('unit.tests.', tmpdir.dirname, False, 'nope')
             self.assertEquals('Unknown source: nope', ctx.exception.message)
 
-            manager.dump('unit.tests.', tmpdir.dirname, 'in')
+            manager.dump('unit.tests.', tmpdir.dirname, False, 'in')
 
             # make sure this fails with an IOError and not a KeyError when
             # tyring to find sub zones
             with self.assertRaises(IOError):
-                manager.dump('unknown.zone.', tmpdir.dirname, 'in')
+                manager.dump('unknown.zone.', tmpdir.dirname, False, 'in')
 
     def test_validate_configs(self):
         Manager(get_config_filename('simple-validate.yaml')).validate_configs()