diff --git a/app/controllers/admin/domain_blocks_controller.rb b/app/controllers/admin/domain_blocks_controller.rb
index 10396899b..1ab620e03 100644
--- a/app/controllers/admin/domain_blocks_controller.rb
+++ b/app/controllers/admin/domain_blocks_controller.rb
@@ -2,6 +2,8 @@
 
 module Admin
   class DomainBlocksController < BaseController
+    before_action :set_domain_block, only: [:show, :destroy]
+
     def index
       @domain_blocks = DomainBlock.page(params[:page])
     end
@@ -21,24 +23,25 @@ module Admin
       end
     end
 
-    def show
-      @domain_block = DomainBlock.find(params[:id])
-    end
+    def show; end
 
     def destroy
-      @domain_block = DomainBlock.find(params[:id])
       UnblockDomainService.new.call(@domain_block, retroactive_unblock?)
       redirect_to admin_domain_blocks_path, notice: I18n.t('admin.domain_blocks.destroyed_msg')
     end
 
     private
 
+    def set_domain_block
+      @domain_block = DomainBlock.find(params[:id])
+    end
+
     def resource_params
       params.require(:domain_block).permit(:domain, :severity, :reject_media, :retroactive)
     end
 
     def retroactive_unblock?
-      resource_params[:retroactive] == '1'
+      ActiveRecord::Type.lookup(:boolean).cast(resource_params[:retroactive])
     end
   end
 end
diff --git a/app/services/block_domain_service.rb b/app/services/block_domain_service.rb
index d15a1e83c..3f8f5b385 100644
--- a/app/services/block_domain_service.rb
+++ b/app/services/block_domain_service.rb
@@ -19,7 +19,7 @@ class BlockDomainService < BaseService
   end
 
   def silence_accounts!
-    blocked_domain_accounts.update_all(silenced: true)
+    blocked_domain_accounts.in_batches.update_all(silenced: true)
     clear_media! if domain_block.reject_media?
   end
 
diff --git a/app/services/unblock_domain_service.rb b/app/services/unblock_domain_service.rb
index 9794e439d..77460f76b 100644
--- a/app/services/unblock_domain_service.rb
+++ b/app/services/unblock_domain_service.rb
@@ -3,10 +3,12 @@
 class UnblockDomainService < BaseService
   def call(domain_block, retroactive)
     if retroactive
+      accounts = Account.where(domain: domain_block.domain).in_batches
+
       if domain_block.silence?
-        Account.where(domain: domain_block.domain).update_all(silenced: false)
+        accounts.update_all(silenced: false)
       else
-        Account.where(domain: domain_block.domain).update_all(suspended: false)
+        accounts.update_all(suspended: false)
       end
     end