diff --git a/src/Command/RegisterDomainCommand.php b/src/Command/RegisterDomainCommand.php
index 8d6647b..949cc65 100644
--- a/src/Command/RegisterDomainCommand.php
+++ b/src/Command/RegisterDomainCommand.php
@@ -2,8 +2,11 @@
 
 namespace App\Command;
 
+use App\Entity\WatchList;
+use App\Message\SendDomainEventNotif;
 use App\Repository\DomainRepository;
 use App\Service\RDAPService;
+use Random\Randomizer;
 use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
@@ -11,6 +14,7 @@ use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\Messenger\MessageBusInterface;
 
 #[AsCommand(
     name: 'app:register-domain',
@@ -21,6 +25,7 @@ class RegisterDomainCommand extends Command
     public function __construct(
         private readonly DomainRepository $domainRepository,
         private readonly RDAPService $rdapService,
+        private readonly MessageBusInterface $bus,
     ) {
         parent::__construct();
     }
@@ -29,7 +34,8 @@ class RegisterDomainCommand extends Command
     {
         $this
             ->addArgument('domain', InputArgument::REQUIRED, 'The domain name to register')
-            ->addOption('force', 'f', InputOption::VALUE_NEGATABLE, 'Do not check the freshness of the data and still make the query', false);
+            ->addOption('force', 'f', InputOption::VALUE_NEGATABLE, 'Do not check the freshness of the data and still make the query', false)
+            ->addOption('notif', null, InputOption::VALUE_NEGATABLE, 'Send notifications to users if a change is detected', false);
     }
 
     protected function execute(InputInterface $input, OutputInterface $output): int
@@ -37,6 +43,7 @@ class RegisterDomainCommand extends Command
         $io = new SymfonyStyle($input, $output);
         $ldhName = strtolower(idn_to_ascii($input->getArgument('domain')));
         $force = (bool) $input->getOption('force');
+        $notif = (bool) $input->getOption('notif');
         $domain = $this->domainRepository->findOneBy(['ldhName' => $ldhName]);
 
         try {
@@ -47,7 +54,19 @@ class RegisterDomainCommand extends Command
                     return Command::SUCCESS;
                 }
             }
+
+            $updatedAt = null === $domain ? new \DateTimeImmutable('now') : $domain->getUpdatedAt();
             $this->rdapService->registerDomain($ldhName);
+
+            if ($notif) {
+                $randomizer = new Randomizer();
+                $watchLists = $randomizer->shuffleArray($domain->getWatchLists()->toArray());
+
+                /** @var WatchList $watchList */
+                foreach ($watchLists as $watchList) {
+                    $this->bus->dispatch(new SendDomainEventNotif($watchList->getToken(), $domain->getLdhName(), $updatedAt));
+                }
+            }
         } catch (\Throwable $e) {
             $io->error($e->getMessage());