`domain_exists` -> `domain_exists?`

app/helpers/moderation_helper.rb

@@ -61,7 +61,7 @@ module ModerationHelper
     true
   end
 
-  def domain_exists(domain)
+  def domain_exists?(domain)
     begin
       code = Request.new(:head, "https://#{domain}").perform(&:code)
     rescue

app/workers/scheduler/janitor_scheduler.rb

@@ -54,7 +54,7 @@ class Scheduler::JanitorScheduler
   def import_blocklists!
     blocks = merged_blocklist.reject { |entry| entry[:domain].in?(@exclude_domains) }
     blocks.each do |entry|
-      next unless domain_exists(entry[:domain])
+      next unless domain_exists?(entry[:domain])
       block = DomainBlock.create!(entry)
       DomainBlockWorker.perform_async(block)
       Admin::ActionLog.create(account: @account, action: :create, target: block)