diff --git a/app/assets/javascripts/bulky.coffee b/app/assets/javascripts/bulky.coffee
index a3cd8df..ccc7e76 100644
--- a/app/assets/javascripts/bulky.coffee
+++ b/app/assets/javascripts/bulky.coffee
@@ -1,177 +1,206 @@
 class window.Bulky
         constructor: (valid_record_url, submit_url) ->
                 @enabled = false
                 @deletes   = {}
                 @changes   = {}
                 @additions = {}
                 @add_counter = 0
 
                 @valid_record_url = valid_record_url
                 @submit_url = submit_url
 
                 @hooked = false
                 @hook()
 
         panel_update: () ->
                 added = (a for own a of @additions).length
                 changed = (c for own c of @changes).length
                 deleted = (d for own d of @deletes).length
 
                 $('#bulk-panel .added').text(added)
                 $('#bulk-panel .changed').text(changed)
                 $('#bulk-panel .deleted').text(deleted)
 
         marked_for_delete: (id) ->
                 return @deletes[id]
 
         update: (id, attr, value) ->
                 @changes[id] or= {}
                 @changes[id][attr] = value
                 $("#record-#{id}").addClass('modified')
 
                 @panel_update()
 
         add: (rec) ->
                 @add_counter += 1
                 @additions[@add_counter] = rec
 
                 @panel_update()
                 @add_counter
 
         validate_add: (arr) ->
                 _me = this
                 $.ajax {
                         url: @valid_record_url,
                         type: 'post',
                         dataType: 'json',
                         data: arr,
                         success: (data) ->
                                 if data.errors
                                         alert(data.errors)
                                         return
 
                                 id = _me.add(data.record)
                                 _me.render_new(id, data.record)
                         error: () ->
                                 alert('There was an error processing your request...')
                         }
 
         render_new: (id, rec) ->
                 el = $('#new_records .clone').clone()
                 el.removeClass('clone').removeClass('hidden')
 
                 el.attr('id', "fresh-#{id}")
                 for attr in ['name', 'ttl', 'type', 'prio', 'content']
                         if rec[attr]
                                 el.find(".#{attr}").text(rec[attr])
 
 
                 el.find('a.js-destroy').data('id', id).data('fresh', true)
                 $('#new_records tbody').append(el)
                 $('#new_records').removeClass('hidden')
 
+        render_errors: (errors) ->
+                if errors.deletes
+                        deleted = ("#record-#{d}" for own d of errors.deletes)
+                        txt = " (#{deleted.length} failed to delete)"
+                        $('#bulk-panel .failed-deleted').text(txt).data(ids:deleted)
+                if errors.changes
+                        changed = ("#record-#{c}" for own c of errors.changes)
+                        txt = " (#{changed.length} failed to be updated)"
+                        $('#bulk-panel .failed-changed').text(txt).data(ids:changed)
+                if errors.additions
+                        added = ("#fresh-#{a}" for own a of errors.additions)
+                        txt = " (#{added.length} failed to be added)"
+                        $('#bulk-panel .failed-added').text(txt).data(ids:added)
+
+        render_clear_errors: ->
+                $('#bulk-panel .failed').text('')
+
         enable: ->
                 return if @enabled
 
                 $('#bulk-panel').removeClass('hidden')
                 $('#new_record .btn').attr('value', 'Bulk Add')
                 $('#records .js-bulk-hide').hide()
 
                 @enabled = true
 
         disable: ->
                 return if !@enabled
 
                 $('#bulk-panel').addClass('hidden')
                 $('#inline-record-form .btn').attr('value', 'Add')
                 $('#records .js-bulk-hide').show()
                 @enabled = false
 
         commit: ->
                 data = {
                         deletes: id for id, _ of @deletes,
-                        changes: rec for id, rec of @changes when !@deletes[id] ,
+                        # changes: rec for id, rec of @changes when !@deletes[id],
+                        changes: @changes,
                         additions: @additions
                 }
+                @render_clear_errors()
 
                 _me = this
                 $.ajax {
                         url: @submit_url,
                         type: 'post',
                         data: JSON.stringify(data),
                         dataType: 'json',
                         contentType:'application/json',
                         success: (data) ->
                                 console.log data
+                                if data.errors
+                                        _me.render_errors(data.errors)
+                                        return
+                                alert('Bulk operations successfully committed!')
+                                location.reload()
                         error: () ->
                                 alert('There was an error submiting bulk operations')
                         }
 
         hook: ->
                 return if @hooked
 
                 _me = this
                 # Hook bulky buttons
                 $('#js-bulky-activate').click ->
                         _me.enable()
                         $(this).parents('li').remove()
                 $('#js-bulky-cancel').click ->
                         _me.disable()
                 $('#js-bulky-commit').click ->
                         _me.commit()
                 $('#bulk-panel .js-modified-hover').hover \
                 -> $('.modified').addClass('highlight')
                 ,
                 -> $('.modified').removeClass('highlight')
+
+                $('#bulk-panel .failed').hover \
+                -> $($(this).data('ids').join(', ')).addClass('highlight')
+                ,
+                -> $($(this).data('ids').join(', ')).removeClass('highlight')
                 
                 # Hook destroy button
                 $('#records, #new_records').on 'click', 'a.js-destroy', () ->
                         return true if !_me.enabled
 
                         link = $(this)
                         id = link.data('id')
                         fresh = link.data('fresh')
 
                         # Drop a newly created record
                         if fresh
                                 delete _me.additions[id]
                                 link.parents("#fresh-#{id}").remove()
                         # Resurrect a delete record
                         else if link.data('deleted')
                                 delete _me.deletes[id]
                                 link.data('deleted', false)
                                 link.parents('tr').removeClass('danger')
                                 link.parents('tr').attr('title', 'Remove')
                                 link.find('span').removeClass('glyphicon-plus').addClass('glyphicon-remove')
                         # Delete a record
                         else
                                 _me.deletes[id] = true
                                 link.data('deleted', true)
                                 link.parents('tr').addClass('danger')
                                 link.find('abbr').attr('title', 'Undo') 
                                 link.find('span').removeClass('glyphicon-remove').addClass('glyphicon-plus')
 
                         _me.panel_update()
                         return false;
 
                 # Hook add button
                 $('#new_record').submit () ->
                         return true if !_me.enabled
 
                         _me.validate_add $(this).serializeArray()
                         return false;
                 @hooked = true
 
         debug: ->
                 console.log("Bulky, enabled=#{@enabled}")
                 for id, rec of @additions
                         change = for k, v of rec
                                 "#{k}: #{v}"
                         console.log("Add #{id}: #{change}")
                 for id, rec of @changes
                         change = for k, v of rec
                                 "#{k}: #{v}"
                         console.log("Change #{id}: #{change}")
                 for id, _ of @deletes
                         console.log("Delete #{id}")
 
diff --git a/app/controllers/records_controller.rb b/app/controllers/records_controller.rb
index 1a3e056..3e8c091 100644
--- a/app/controllers/records_controller.rb
+++ b/app/controllers/records_controller.rb
@@ -1,128 +1,133 @@
 class RecordsController < ApplicationController
   before_action :authenticate_user!
 
   before_action :domain, except: [:search]
   before_action :editable_transform_params, only: [:editable]
   before_action :record, only: [:edit, :update, :editable, :destroy]
 
   # GET /records/new
   def new
     @record = domain.records.build
   end
 
   # GET /records/1/edit
   def edit
   end
 
   # POST /records
   def create
     @record = domain.records.new(new_record_params)
 
     if @record.save
       notify_record(@record, :create)
       redirect_to domain, notice: 'Record was successfully created.'
     else
       flash[:alert] = 'There were some errors creating the record!'
       render :new
     end
   end
 
   # PATCH/PUT /records/1
   def update
     if @record.update(edit_record_params)
       notify_record(@record, :update)
       redirect_to domain, notice: 'Record was successfully updated.'
     else
       render :edit
     end
   end
 
   def valid
     @record = domain.records.new(new_record_params)
     if @record.valid?
       response = {
         record: @record.as_bulky_json,
         errors: false
       }
 
       render json: response
     else
       render json: { errors: @record.errors.full_messages.join(', ') }
     end
   end
 
   def bulk
-    render json: { ok: true }
+    err = @domain.bulk(params)
+    if err.empty?
+      render json: { ok: true }
+    else
+      render json: { errors: err }
+    end
   end
 
   def editable
     @record.assign_attributes(edit_record_params)
 
     if @record.valid?
       if @save
         @record.save!
         notify_record(@record, :update)
       end
 
       response = {
         attribute: @attr,
         value: @record.read_attribute(@attr),
         serial: @domain.soa(true).serial,
         record: @record.as_bulky_json,
         saved: @save
       }
 
       render json: response
     else
       render text: @record.errors[@attr].join(', '), status: 400
     end
   end
 
   # DELETE /records/1
   def destroy
     @record.destroy
     notify_record(@record, :destroy)
     redirect_to domain, notice: 'Record was successfully destroyed.'
   end
 
   # GET /search
   def search
     @records = Record
                .where(domain: show_domain_scope)
                .includes(:domain)
                .search(params[:q]) # scope by domain
 
     @records = Record.smart_order(@records)
   end
 
   private
 
   # Modify params to use standard Rails patterns
   def editable_transform_params
     @attr = params[:name]
     @save = params[:save] != 'false'
     params[:record] = { params[:name] => params[:value] }
   end
 
   def edit_record_params
     if @record.type == 'SOA'
       permitted = [:contact, :serial, :refresh, :retry, :expire, :nx]
     else
       permitted = [:name, :content, :ttl, :prio, :disabled]
     end
 
     params.require(:record).permit(*permitted).tap { |r|
       r[:drop_privileges] = true if not admin?
     }
   end
 
   def new_record_params
     params.require(:record).permit(:name, :content, :ttl, :type, :prio).tap { |r|
       r[:drop_privileges] = true if not admin?
     }
   end
 
   def notify_record(*args)
     notification.notify_record(current_user, *args) if WebDNS.settings[:notifications]
   end
 end
diff --git a/app/models/domain.rb b/app/models/domain.rb
index ac10ef8..4ad9dd7 100644
--- a/app/models/domain.rb
+++ b/app/models/domain.rb
@@ -1,230 +1,277 @@
 class Domain < ActiveRecord::Base
   class NotAChild < StandardError; end
   self.inheritance_column = :nx
 
   # List all supported domain types.
   def self.domain_types
     [
       'NATIVE',
       'MASTER',
       'SLAVE',
     ]
   end
 
   # List domain types that can be created.
   def self.allowed_domain_types
     domain_types - WebDNS.settings[:prohibit_domain_types]
   end
 
   # List parent authorities
   def self.dnssec_parent_authorities
     WebDNS.settings[:dnssec_parent_authorities]
   end
 
   # Fire event after transaction commmit
   # Changing state inside a hook messes things up,
   # this trick handles that
   attr_accessor :fire_event
 
   belongs_to :group
   has_many :jobs
   has_many :records
   # BUG in bump_serial_trigger
   has_one :soa, -> { unscope(where: :type).where(type: 'soa') }, class_name: SOA
 
   validates :group_id, presence: true
   validates :name, uniqueness: true, presence: true
   validates :type, presence: true, inclusion: { in: domain_types }
   validates :master, presence: true, ipv4: true, if: :slave?
 
   validates :dnssec, inclusion: { in: [false] }, unless: :dnssec_elegible?
   validates :dnssec_parent_authority, inclusion: { in: dnssec_parent_authorities }, if: :dnssec?
   validates :dnssec_parent, hostname: true, if: :dnssec?
 
   after_create :generate_soa
   after_create :generate_ns
 
   after_create :install
   before_save :check_convert
   after_commit :after_commit_event
 
   attr_writer :serial_strategy
 
   def self.dnssec_progress(current_state)
     progress = [
       :pending_signing, # 1/3
       :wait_for_ready,  # 2/3
       :pending_ds]      # 3/3
     idx = progress.index(current_state.to_sym)
     return if idx.nil?
 
     [idx+1, progress.size].join('/')
   end
 
   state_machine initial: :initial do
     after_transition(any => :pending_install) { |domain, _t| Job.add_domain(domain) }
     after_transition(any => :pending_remove) { |domain, _t| Job.shutdown_domain(domain) }
     after_transition(any => :pending_signing) { |domain, _t| Job.dnssec_sign(domain) }
     after_transition(any => :wait_for_ready) { |domain, _t| Job.wait_for_ready(domain) }
     after_transition(any => :pending_ds) { |domain, t| Job.dnssec_push_ds(domain, *t.args) }
     after_transition(any => :pending_plain) { |domain, _t| Job.convert_to_plain(domain) }
     after_transition(any => :destroy) { |domain, _t| domain.destroy }
 
     # User events
     event :install do
       transition initial: :pending_install
     end
 
     event :dnssec_sign do
       transition operational: :pending_signing
     end
 
     event :signed do
       transition pending_signing: :wait_for_ready
     end
 
     event :push_ds do
       # TODO: push_ds is triggered on multiple occasions
       # operational: :operational
       transition wait_for_ready: :pending_ds
     end
 
     event :plain_convert do
       transition operational: :pending_plain
     end
 
     event :remove do
       transition operational: :pending_remove
     end
 
     # Machine events
     event :installed do
       transition pending_install: :operational
     end
 
     event :converted do
       transition [:pending_ds, :pending_plain] => :operational
     end
 
     event :cleaned_up do
       transition pending_remove: :destroy
     end
   end
 
   # Returns true if this domain is elegigble for DNSSEC
   def dnssec_elegible?
     return false if slave?
 
     true
   end
 
   # Get the zone's serial strategy.
   #
   # Returns one of the supported serial strategies.
   def serial_strategy
     @serial_strategy ||= WebDNS.settings[:serial_strategy]
   end
 
   # Returns true if this a reverse zone.
   def reverse?
     name.end_with?('.in-addr.arpa') || name.end_with?('.ip6.arpa')
   end
 
   # Returns true if this a ENUM zone.
   def enum?
     name.end_with?('.e164.arpa')
   end
 
   # Returns true if this is a slave zone.
   def slave?
     type == 'SLAVE'
   end
 
   # Compute subnet for reverse records
   def subnet
     return if not reverse?
 
     if name.end_with?('.in-addr.arpa')
       subnet_v4
     elsif name.end_with?('.ip6.arpa')
       subnet_v6
     end
   end
 
   def self.replace_ds(parent, child, records)
     parent = find_by_name!(parent)
     fail NotAChild if not child.end_with?(parent.name)
 
     existing = parent.records.where(name: child, type: 'DS')
     recs = records.map { |rec| DS.new(domain: parent, name: child, content: rec) }
 
     ActiveRecord::Base.transaction do
       existing.destroy_all
       recs.map(&:save!)
     end
   end
 
+  # Apply bulk to operations to the zones
+  #
+  # 1) Deletions
+  # 2) Changes
+  # 3) Additions
+  def bulk(opts)
+    deletes = opts[:deletes] || []
+    changes = opts[:changes] || {}
+    additions = opts[:additions] || {}
+    errors = Hash.new { |h, k| h[k] = {} }
+
+    ActiveRecord::Base.transaction do
+      # Deletes
+      to_delete = records.where(id: deletes).index_by(&:id)
+      deletes.each { |rec_id|
+        if rec = to_delete[Integer(rec_id)]
+          rec.destroy
+          next
+        end
+
+        errors[:deletes][rec_id] = 'Deleted record not found'
+      }
+
+      # Changes
+      to_change = records.where(id: changes.keys).index_by(&:id)
+      changes.each {|rec_id, changes|
+        binding
+        if rec = to_change[Integer(rec_id)]
+          errors[:changes][rec_id] = rec.errors.full_messages.join(', ') if !rec.update(changes)
+          next
+        end
+
+        errors[:changes][rec_id] = 'Changed record not found'
+      }
+
+      # Additions
+      additions.each { |inc, attrs|
+        rec = records.new(attrs)
+        errors[:additions][inc] = rec.errors.full_messages.join(', ') if !rec.save
+      }
+
+      raise ActiveRecord::Rollback if errors.any?
+    end
+
+    errors
+  end
+
   private
 
   def subnet_v4
     # get ip octets (remove .in-addr.arpa)
     octets = name.split('.')[0...-2].reverse
     return if octets.any? { |_| false }
 
     mask = 8 * octets.size
     octets += [0, 0, 0, 0]
 
     ip = IPAddr.new octets[0, 4].join('.')
 
     [ip, mask].join('/')
   end
 
   def subnet_v6
     nibbles = name.split('.')[0...-2].reverse
     return if nibbles.any? { |_| false }
 
     mask = 4 * nibbles.size
     nibbles += [0] * 32
 
     ip = IPAddr.new nibbles[0, 32].in_groups_of(4).map(&:join).join(':')
 
     [ip, mask].join('/')
   end
 
   # Hooks
 
   def generate_soa
     soa_record = SOA.new(domain: self)
 
     soa_record.save!
   end
 
   def generate_ns
     return if slave?
     return if WebDNS.settings[:default_ns].empty?
 
     WebDNS.settings[:default_ns].each { |ns|
       Record.find_or_create_by!(domain: self, type: 'NS', name: '', content: ns)
     }
   end
 
   def check_convert
     return if !dnssec_changed?
 
     event = dnssec ? :dnssec_sign : :plain_convert
     if state_events.include?(event)
       self.fire_event = event # Schedule event for after commit
       return true
     end
 
     errors.add(:dnssec, 'You cannot modify dnssec settings in this state!')
     false
   end
 
   def after_commit_event
     return if !fire_event
 
     fire_state_event(fire_event)
     self.fire_event = nil
   end
 end
diff --git a/app/views/domains/_bulk_panel.html.erb b/app/views/domains/_bulk_panel.html.erb
index a465234..cfd7b35 100644
--- a/app/views/domains/_bulk_panel.html.erb
+++ b/app/views/domains/_bulk_panel.html.erb
@@ -1,16 +1,18 @@
 <div id="bulk-panel" class="panel panel-primary hidden">
   <div class="panel-heading">
     Bulk Mode
   </div>
   <div class="panel-body">
     <p>
-      <span class="added">0</span> records added,
-      <abbr class="js-modified-hover" title="Highlight modified records"><span class="changed">0</span> records modified</abbr>,
-      <span class="deleted">0</span> records deleted.
+      <span class="added">0</span> records added<abbr title="Highlight records that failed to be added" class="failed failed-added"></abbr>,
+      <abbr class="js-modified-hover" title="Highlight modified records">
+        <span class="changed">0</span> records modified
+      </abbr><abbr title="Highlight records that failed to update." class="failed failed-changed"></abbr>,
+        <span class="deleted">0</span> records deleted<abbr title="Highlight records that failed to delete" class="failed failed-deleted"></abbr>.
     </p>
     <div>
       <a href="." class="btn btn-default">Cancel (Refresh)</a>
       <button type="button" class="btn btn-success" id="js-bulky-commit">Commit</button>
     </div>
   </div>
 </div>
diff --git a/test/models/domain_test.rb b/test/models/domain_test.rb
index 0e2cf0d..ef79d41 100644
--- a/test/models/domain_test.rb
+++ b/test/models/domain_test.rb
@@ -1,169 +1,220 @@
 require 'test_helper'
 
 class DomainTest < ActiveSupport::TestCase
   def setup
     @domain = build(:domain)
   end
 
   test 'automatic SOA creation' do
     @domain.save!
     @domain.reload
     assert_not_nil @domain.soa
   end
 
   test 'increment serial on new record' do
     @domain.save!
     soa = @domain.soa
 
     assert_serial_update soa do
       www = A.new(name: 'www', domain: @domain, content: '1.2.3.4')
       www.save!
     end
   end
 
   test 'increment serial on record update' do
     @domain.save!
     www = A.new(name: 'www', domain: @domain, content: '1.2.3.4')
     www.save!
     soa = @domain.soa.reload
 
     assert_serial_update soa do
       www.content = '1.2.3.5'
       www.save!
     end
   end
 
   test 'automatic NS creation' do
     @domain.save!
     @domain.reload
     assert_equal WebDNS.settings[:default_ns].sort,
                  @domain.records.where(type: 'NS').pluck(:content).sort
   end
 
   test 'increment serial on record destroy' do
     @domain.save!
     www = A.new(name: 'www', domain: @domain, content: '1.2.3.4')
     www.save!
     soa = @domain.soa.reload
 
     assert_serial_update soa do
       www.destroy!
     end
   end
 
   class SlaveDomainTest < ActiveSupport::TestCase
     def setup
       @domain = build(:slave)
     end
 
     test 'saves' do
       @domain.save
 
       assert_empty @domain.errors
     end
 
     test 'automatic SOA creation' do
       @domain.save!
       @domain.reload
       assert_not_nil @domain.soa
       assert_equal 1, @domain.soa.serial
     end
 
     test 'validates master' do
       @domain.master = 'not-an-ip'
       @domain.save
 
       assert_not_empty @domain.errors['master']
     end
 
     test 'no records are allowed for users' do
       @domain.save!
       rec = build(:a, domain_id: @domain.id)
 
       assert_not rec.valid?
       assert_not_empty rec.errors[:type]
     end
   end
 
   class StatesDomainTest < ActiveSupport::TestCase
     def setup
       @domain = build(:domain)
     end
 
     test 'domain lifetime' do
       assert_equal 'initial', @domain.state
 
       # Create
       assert_jobs do
         @domain.save! # user triggered
         assert_equal 'pending_install', @domain.state
       end
       @domain.installed # job triggered
       assert_equal 'operational', @domain.state
 
       # Convert to dnssec (sign)
       assert_jobs do
         assert @domain.dnssec_sign # user triggered
         assert_equal 'pending_signing', @domain.state
       end
 
       assert_jobs do
         assert @domain.signed # job triggered
         assert_equal 'wait_for_ready', @domain.state
       end
 
       # Convert to dnssec (publish ds)
       assert_jobs do
         assert @domain.push_ds([:dss1, :dss2]) # DS script triggered
         assert_equal 'pending_ds', @domain.state
       end
       assert @domain.converted # job triggered
       assert_equal 'operational', @domain.state
 
       # Convert to plain
       assert_jobs do
         assert @domain.plain_convert # user triggered
         assert_equal 'pending_plain', @domain.state
       end
       assert @domain.converted # job triggered
       assert_equal 'operational', @domain.state
 
       # Remove
       assert_jobs do
         assert @domain.remove # user triggered
         assert_equal 'pending_remove', @domain.state
       end
       assert @domain.cleaned_up # job triggered
       assert_equal 'destroy', @domain.state
     end
   end
 
   class DsDomainTest < ActiveSupport::TestCase
     def setup
       @domain = create(:domain)
       @ds = [
         '31406 8 1 189968811e6eba862dd6c209f75623d8d9ed9142',
         '31406 8 2 f78cf3344f72137235098ecbbd08947c2c9001c7f6a085a17f518b5d8f6b916d',
       ]
       @child = "dnssec.#{@domain.name}"
       @extra = DS.create(domain: @domain, name: @child, content: 'other')
     end
 
     test 'add ds records' do
       Domain.replace_ds(@domain.name, @child, @ds)
       @extra.save! # Should be deleted
 
       assert_equal @ds.size, DS.where(name: "dnssec.#{@domain.name}").count
       @ds.each { |ds|
         assert_equal 1, DS.where(name: "dnssec.#{@domain.name}", content: ds).count
       }
     end
 
     test 'check if child is a valid subdomain' do
       assert_raise Domain::NotAChild do
         Domain.replace_ds(@domain.name, 'dnssec.example.net', @ds)
       end
     end
 
   end
+
+  class BulkTest < ActiveSupport::TestCase
+    def setup
+      @domain = create(:domain)
+      @a = create(:a, domain: @domain)
+      @aaaa = create(:aaaa, domain: @domain)
+      @new = build(:mx, domain: @domain)
+
+    end
+
+    def valid_changes
+      @valid_changes ||= begin
+                           {}.tap { |c|
+                             c[:deletes] = [@a.id]
+                             c[:changes] = { @aaaa.id => { content: '::42' }}
+                             c[:additions] = { 1 => @new.as_bulky_json }
+                           }
+                         end
+    end
+
+    def invalid_changes
+      @invalid_changes ||= begin
+                             {}.tap { |c|
+                               c[:deletes] = [Record.maximum(:id) + 1]
+                               c[:changes] = { @aaaa.id => { content: '1.2.3.4' }}
+                               c[:additions] = { 1 => @new.as_bulky_json.update(prio: -1) }
+                             }
+                           end
+    end
+
+    test 'apply changes not' do
+      err = @domain.bulk invalid_changes
+
+      assert_not_empty err
+      assert_includes err[:deletes][Record.maximum(:id) + 1], 'record not found'
+      assert_includes err[:changes][@aaaa.id], 'not a valid IPv6'
+      assert_includes err[:additions][1], 'not a valid DNS priority'
+    end
+
+    test 'apply changes' do
+      err = @domain.bulk valid_changes
+
+      @domain.reload
+      @aaaa.reload
+
+      assert_empty err
+      assert_empty @domain.records.where(id: @a.id)
+      assert_equal '::42', @aaaa.content
+      assert_equal 1, @domain.records.where(type: :mx).count
+    end
+  end
 end