diff --git a/integration_tests/blockstack_integration_tests/scenarios/name_pre_regup_subdomain_seq_xfer_reorg_pending_missing.py b/integration_tests/blockstack_integration_tests/scenarios/name_pre_regup_subdomain_seq_xfer_reorg_pending_missing.py
new file mode 100644
index 000000000..afb833d32
--- /dev/null
+++ b/integration_tests/blockstack_integration_tests/scenarios/name_pre_regup_subdomain_seq_xfer_reorg_pending_missing.py
@@ -0,0 +1,352 @@
+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+"""
+    Blockstack
+    ~~~~~
+    copyright: (c) 2014-2015 by Halfmoon Labs, Inc.
+    copyright: (c) 2016 by Blockstack.org
+
+    This file is part of Blockstack
+
+    Blockstack is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Blockstack is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+    You should have received a copy of the GNU General Public License
+    along with Blockstack. If not, see <http://www.gnu.org/licenses/>.
+""" 
+
+# activate F-day 2017
+"""
+TEST ENV BLOCKSTACK_EPOCH_1_END_BLOCK 682
+TEST ENV BLOCKSTACK_EPOCH_2_END_BLOCK 683
+TEST ENV BLOCKSTACK_EPOCH_2_NAMESPACE_LIFETIME_MULTIPLIER 1
+"""
+
+import testlib
+import virtualchain
+import json
+import blockstack
+import blockstack.lib.subdomains as subdomains
+import blockstack.lib.storage as storage
+import blockstack.lib.client as client
+import blockstack_zones
+import base64
+import time
+
+wallets = [
+    testlib.Wallet( "5JesPiN68qt44Hc2nT8qmyZ1JDwHebfoh9KQ52Lazb1m1LaKNj9", 100000000000 ),
+    testlib.Wallet( "5KHqsiU9qa77frZb6hQy9ocV7Sus9RWJcQGYYBJJBb2Efj1o77e", 100000000000 ),
+    testlib.Wallet( "5Kg5kJbQHvk1B64rJniEmgbD83FpZpbw2RjdAZEzTefs9ihN3Bz", 100000000000 ),
+    testlib.Wallet( "5JuVsoS9NauksSkqEjbUZxWwgGDQbMwPsEfoRBSpLpgDX1RtLX7", 100000000000 ),
+    testlib.Wallet( "5KEpiSRr1BrT8vRD7LKGCEmudokTh1iMHbiThMQpLdwBwhDJB1T", 100000000000 )
+]
+
+consensus = "17ac43c1d8549c3181b200f1bf97eb7d"
+
+def scenario( wallets, **kw ):
+
+    testlib.blockstack_namespace_preorder( "test", wallets[1].addr, wallets[0].privkey )
+    testlib.next_block( **kw )
+
+    testlib.blockstack_namespace_reveal( "test", wallets[1].addr, 52595, 250, 4, [6,5,4,3,2,1,0,0,0,0,0,0,0,0,0,0], 10, 10, wallets[0].privkey )
+    testlib.next_block( **kw )
+
+    testlib.blockstack_namespace_ready( "test", wallets[1].privkey )
+    testlib.next_block( **kw )
+
+    testlib.blockstack_name_preorder( "foo1.test", wallets[2].privkey, wallets[3].addr )
+    testlib.blockstack_name_preorder( "foo2.test", wallets[2].privkey, wallets[3].addr )
+    testlib.blockstack_name_preorder( "foo3.test", wallets[2].privkey, wallets[3].addr )
+    testlib.blockstack_name_preorder( "foo4.test", wallets[2].privkey, wallets[3].addr )
+    testlib.blockstack_name_preorder( "foo5.test", wallets[2].privkey, wallets[3].addr )
+    testlib.blockstack_name_preorder( "foo6.test", wallets[2].privkey, wallets[3].addr )
+    testlib.blockstack_name_preorder( "foo7.test", wallets[2].privkey, wallets[3].addr )
+    testlib.next_block( **kw )
+
+    zf_template = "$ORIGIN {}\n$TTL 3600\n{}"   # for subdomains
+
+    zf_template_1 = "$ORIGIN {}\n$TTL 3600\n_missing TXT \"1\"\n{}"
+    zf_template_2 = "$ORIGIN {}\n$TTL 3600\n_missing TXT \"2\"\n{}"
+    zf_template_3 = "$ORIGIN {}\n$TTL 3600\n_missing TXT \"3\"\n{}"
+
+    zf_default_url = '_https._tcp URI 10 1 "https://raw.githubusercontent.com/nobody/content/profile.md"'
+
+    zonefiles = {
+        'foo1.test': zf_template_1.format('foo1.test', subdomains.make_subdomain_txt('bar.foo1.test', 'foo1.test', wallets[4].addr, 0, zf_template.format('bar.foo1.test', zf_default_url), wallets[4].privkey)),
+        'foo2.test': zf_template_2.format('foo2.test', subdomains.make_subdomain_txt('bar.foo2.test', 'foo2.test', wallets[4].addr, 0, zf_template.format('bar.foo2.test', zf_default_url), wallets[4].privkey)),
+        'foo3.test': zf_template_3.format('foo3.test', subdomains.make_subdomain_txt('bar.foo3.test', 'foo3.test', wallets[4].addr, 0, zf_template.format('bar.foo3.test', zf_default_url), wallets[4].privkey)),
+    }
+
+    testlib.blockstack_name_register( "foo1.test", wallets[2].privkey, wallets[3].addr, zonefile_hash='10' * 20)
+    testlib.blockstack_name_register( "foo2.test", wallets[2].privkey, wallets[3].addr, zonefile_hash='20' * 20)
+    testlib.blockstack_name_register( "foo3.test", wallets[2].privkey, wallets[3].addr, zonefile_hash='30' * 20)
+    testlib.blockstack_name_register( "foo4.test", wallets[2].privkey, wallets[3].addr)
+    testlib.blockstack_name_register( "foo5.test", wallets[2].privkey, wallets[3].addr)
+    testlib.blockstack_name_register( "foo6.test", wallets[2].privkey, wallets[3].addr)
+    testlib.blockstack_name_register( "foo7.test", wallets[2].privkey, wallets[3].addr)
+    testlib.next_block( **kw )
+
+    testlib.blockstack_name_update("foo1.test", storage.get_zonefile_data_hash(zonefiles['foo1.test']), wallets[3].privkey)
+    testlib.blockstack_name_update("foo2.test", storage.get_zonefile_data_hash(zonefiles['foo2.test']), wallets[3].privkey)
+    testlib.blockstack_name_update("foo3.test", storage.get_zonefile_data_hash(zonefiles['foo3.test']), wallets[3].privkey)
+    testlib.next_block(**kw)
+
+    assert testlib.blockstack_put_zonefile(zonefiles['foo1.test'])
+    assert testlib.blockstack_put_zonefile(zonefiles['foo2.test'])
+    assert testlib.blockstack_put_zonefile(zonefiles['foo3.test'])
+    
+    # kick off indexing and check 
+    testlib.next_block(**kw)
+
+    def _query_subdomains(subdomain_names, expected_sequence, expected_owner, expect_pending):
+        # query each subdomain.  Should get the latest
+        proxy = testlib.make_proxy()
+        for fqn in subdomain_names:
+            res = client.get_name_record(fqn, proxy=proxy)
+            if 'error' in res:
+                print res
+                print 'failed to query {}'.format(fqn)
+                return False
+            
+            # should have right sequence
+            if res['sequence'] != expected_sequence:
+                print 'wrong sequence; expected {}'.format(expected_sequence)
+                print res
+                return False
+           
+            # should have right owner
+            if res['address'] != expected_owner:
+                print 'wrong owner'
+                print 'expected {}'.format(res['address'])
+                print res
+                return False
+
+            # do we expect pending?
+            if res['pending'] != expect_pending:
+                print 'wrong pending (expected {})'.format(expect_pending)
+                print res
+                return False
+
+        return True
+
+    assert _query_subdomains(['bar.foo1.test', 'bar.foo2.test', 'bar.foo3.test'], 0, wallets[4].addr, False)
+    
+    expected_owners_before = [wallets[4].addr]
+    expected_owners_after = [wallets[4].addr]
+
+    # update and transfer, but if i % 2 == 0, transfer to a different address
+    # use a different domain name in each case.
+    # verify that only transfers on the creator domain are valid.
+    wallet_schedule = [
+        (4, 0),  # not broadcast initially 
+        (4, 1),
+        (0, 1),  # not broadcast initially
+        (1, 2),
+        (1, 3),  # not broadcast initially
+    ]
+    sequence_schedule = [
+        1,
+        1,
+        2,
+        2,
+        3,
+    ]
+
+    expected_zf_default_url = '_https._tcp URI 10 1 "https://test.com/?index={}"'.format(4)
+    expect_pending = False
+    expect_sequence = 0
+    expect_owner = wallets[4].addr
+
+    unsent_zonefiles = []
+    
+    missing = {
+        "foo1.test": [1],
+        "foo2.test": [2],
+        "foo3.test": [3]
+    }
+
+    # send updates too, and transfer subdomains
+    for i in range(0, 5):
+        zf_template_1 = "$ORIGIN {}\n$TTL 3600\n_missing TXT \"" + ",".join([str(m) for m in missing['foo1.test']]) + "\"\n{}"
+        zf_template_2 = "$ORIGIN {}\n$TTL 3600\n_missing TXT \"" + ",".join([str(m) for m in missing['foo2.test']]) + "\"\n{}"
+        zf_template_3 = "$ORIGIN {}\n$TTL 3600\n_missing TXT \"" + ",".join([str(m) for m in missing['foo3.test']]) + "\"\n{}"
+
+        zf_default_url = '_https._tcp URI 10 1 "https://test.com/?index={}"'.format(i+1)
+
+        names = [
+            'foo1.test',
+            'foo2.test',
+            'foo3.test',
+        ]
+
+        k = wallet_schedule[i][0]
+        k2 = wallet_schedule[i][1]
+        s = sequence_schedule[i]
+
+        zonefiles = {
+            'foo1.test': zf_template_1.format(names[0], subdomains.make_subdomain_txt('bar.foo1.test', names[0], wallets[k2].addr, s, zf_template.format('bar.foo1.test', zf_default_url), wallets[k].privkey)),
+            'foo2.test': zf_template_2.format(names[1], subdomains.make_subdomain_txt('bar.foo2.test', names[1], wallets[k2].addr, s, zf_template.format('bar.foo2.test', zf_default_url), wallets[k].privkey)),
+            'foo3.test': zf_template_3.format(names[2], subdomains.make_subdomain_txt('bar.foo3.test', names[2], wallets[k2].addr, s, zf_template.format('bar.foo3.test', zf_default_url), wallets[k].privkey)),
+        }
+        
+        testlib.blockstack_name_update(names[0], storage.get_zonefile_data_hash(zonefiles['foo1.test']), wallets[3].privkey)
+        testlib.blockstack_name_update(names[1], storage.get_zonefile_data_hash(zonefiles['foo2.test']), wallets[3].privkey)
+        testlib.blockstack_name_update(names[2], storage.get_zonefile_data_hash(zonefiles['foo3.test']), wallets[3].privkey)
+        testlib.next_block(**kw)
+
+        if i % 2 == 1:
+            # only broadcast periodically
+            assert testlib.blockstack_put_zonefile(zonefiles['foo1.test'])
+            assert testlib.blockstack_put_zonefile(zonefiles['foo2.test'])
+            assert testlib.blockstack_put_zonefile(zonefiles['foo3.test'])
+            expect_owner = wallets[k2].addr
+            expect_sequence += 1
+            expected_owners_before.append(expect_owner)
+
+        else:
+            expect_pending = True
+            unsent_zonefiles.append(zonefiles)
+            expected_owners_after.append(wallets[k2].addr)
+   
+        if i < 4:
+            # add more missing
+            testlib.blockstack_name_update(names[0], '{}'.format(10+i+1) * 20, wallets[3].privkey)
+            testlib.blockstack_name_update(names[1], '{}'.format(20+i+1) * 20, wallets[3].privkey)
+            testlib.blockstack_name_update(names[2], '{}'.format(30+i+1) * 20, wallets[3].privkey)
+
+        missing['foo1.test'].append(6*(i+1) + 4)
+        missing['foo2.test'].append(6*(i+1) + 5)
+        missing['foo3.test'].append(6*(i+1) + 6)
+
+        # kick off subdomain indexing
+        testlib.next_block(**kw)
+
+        # verify history
+        assert _query_subdomains(['bar.foo1.test', 'bar.foo2.test', 'bar.foo3.test'], expect_sequence, expect_owner, expect_pending)
+        
+    
+    # query subdomain history
+    proxy = testlib.make_proxy()
+    for subd in ['bar.foo1.test', 'bar.foo2.test', 'bar.foo3.test']:
+        res = client.get_name_record(subd, include_history=True, proxy=proxy)
+        if 'error' in res:
+            print res
+            return False
+
+        if not res['pending']:
+            print 'not pending, but it should be'
+            print res
+            return False
+       
+        # should be at 2
+        if res['sequence'] != 2:
+            print 'wrong sequence'
+            print res
+            return False
+
+        if virtualchain.address_reencode(str(res['address'])) != virtualchain.address_reencode(expect_owner):
+            print 'wrong owner'
+            print res
+            return False
+
+        for i, block_height in enumerate(sorted(res['history'])):
+            if virtualchain.address_reencode(str(res['history'][block_height][0]['address'])) != virtualchain.address_reencode(expected_owners_before[i]):
+                print 'wrong owner at {}: expected {}'.format(block_height, expected_owners_before[i])
+                print json.dumps(res, indent=4, sort_keys=True)
+                print expected_owners_before
+                return False
+
+            if res['history'][block_height][0]['sequence'] != i:
+                print 'wrong sequence at {}: expected {}'.format(block_height, i)
+                print json.dumps(res, indent=4, sort_keys=True)
+                return False
+
+    # send all missing subdomains.
+    # should cause a cascading owner reorg.
+    for zfbatch in unsent_zonefiles:
+        for k in zfbatch:
+            assert testlib.blockstack_put_zonefile(zfbatch[k])
+
+    testlib.next_block(**kw)
+
+    # query subdomain history again.  pending and owner should change
+    proxy = testlib.make_proxy()
+    for subd in ['bar.foo1.test', 'bar.foo2.test', 'bar.foo3.test']:
+        res = client.get_name_record(subd, include_history=True, proxy=proxy)
+        if 'error' in res:
+            print res
+            return False
+
+        # despite missing zone files, all of the ones the registrar did not explicitly list as missing are accounted for
+        if res['pending']:
+            print 'pending, but it should not be'
+            print res
+            return False
+
+        if res['sequence'] != 3:
+            print 'wrong sequence'
+            print res
+            return False
+
+        if virtualchain.address_reencode(str(res['address'])) != virtualchain.address_reencode(wallets[3].addr):
+            print 'wrong owner again'
+            print res
+            return False
+
+        for i, block_height in enumerate(sorted(res['history'])):
+            if virtualchain.address_reencode(str(res['history'][block_height][0]['address'])) != virtualchain.address_reencode(str(expected_owners_after[i])):
+                print 'wrong owner at {}: expected {}'.format(block_height, expected_owners_after[i])
+                print json.dumps(res, indent=4, sort_keys=True)
+                print expected_owners_after
+                print expected_owners_before
+                print [wallets[i].addr for i in range(0, len(wallets))]
+                return False
+
+            if res['history'][block_height][0]['sequence'] != i:
+                print 'wrong sequence at {}: expected {}'.format(block_height, i)
+                print json.dumps(res, indent=4, sort_keys=True)
+                return False
+
+
+
+def check( state_engine ):
+
+    # not revealed, but ready 
+    ns = state_engine.get_namespace_reveal( "test" )
+    if ns is not None:
+        return False 
+
+    ns = state_engine.get_namespace( "test" )
+    if ns is None:
+        return False 
+
+    if ns['namespace_id'] != 'test':
+        return False 
+
+    for i in xrange(1, 4):
+        name = 'foo{}.test'.format(i)
+
+        # not preordered
+        preorder = state_engine.get_name_preorder( name, virtualchain.make_payment_script(wallets[2].addr), wallets[3].addr )
+        if preorder is not None:
+            print 'still have preorder: {}'.format(preorder)
+            return False
+         
+        # registered 
+        name_rec = state_engine.get_name(name)
+        if name_rec is None:
+            print 'did not get name {}'.format(name)
+            return False
+
+        # owned by
+        if name_rec['address'] != wallets[3].addr or name_rec['sender'] != virtualchain.make_payment_script(wallets[3].addr):
+            print 'wrong address for {}: {}'.format(name, name_rec)
+            return False
+
+    return True