diff --git a/module/Core/src/Domain/Repository/DomainRepository.php b/module/Core/src/Domain/Repository/DomainRepository.php
index 4de3ea36..0a99b3c6 100644
--- a/module/Core/src/Domain/Repository/DomainRepository.php
+++ b/module/Core/src/Domain/Repository/DomainRepository.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace Shlinkio\Shlink\Core\Domain\Repository;
 
 use Doctrine\ORM\Query\Expr\Join;
+use Doctrine\ORM\QueryBuilder;
 use Happyr\DoctrineSpecification\Repository\EntitySpecificationRepository;
 use Happyr\DoctrineSpecification\Spec;
 use Shlinkio\Shlink\Core\Domain\Spec\IsDomain;
@@ -40,8 +41,25 @@ class DomainRepository extends EntitySpecificationRepository implements DomainRe
 
     public function findOneByAuthority(string $authority, ?ApiKey $apiKey = null): ?Domain
     {
-        $qb = $this->createQueryBuilder('d');
-        $qb->leftJoin(ShortUrl::class, 's', Join::WITH, 's.domain = d')
+        $qb = $this->createDomainQueryBuilder($authority, $apiKey);
+        $qb->select('d');
+
+        return $qb->getQuery()->getOneOrNullResult();
+    }
+
+    public function domainExists(string $authority, ?ApiKey $apiKey = null): bool
+    {
+        $qb = $this->createDomainQueryBuilder($authority, $apiKey);
+        $qb->select('COUNT(d.id)');
+
+        return ((int) $qb->getQuery()->getSingleScalarResult()) > 0;
+    }
+
+    private function createDomainQueryBuilder(string $authority, ?ApiKey $apiKey): QueryBuilder
+    {
+        $qb = $this->getEntityManager()->createQueryBuilder();
+        $qb->from(Domain::class, 'd')
+           ->leftJoin(ShortUrl::class, 's', Join::WITH, 's.domain = d')
            ->where($qb->expr()->eq('d.authority', ':authority'))
            ->setParameter('authority', $authority)
            ->setMaxResults(1);
@@ -51,7 +69,7 @@ class DomainRepository extends EntitySpecificationRepository implements DomainRe
             $this->applySpecification($qb, $spec, $alias);
         }
 
-        return $qb->getQuery()->getOneOrNullResult();
+        return $qb;
     }
 
     private function determineExtraSpecs(?ApiKey $apiKey): iterable
diff --git a/module/Core/src/Domain/Repository/DomainRepositoryInterface.php b/module/Core/src/Domain/Repository/DomainRepositoryInterface.php
index 69e74e5b..d5f880bd 100644
--- a/module/Core/src/Domain/Repository/DomainRepositoryInterface.php
+++ b/module/Core/src/Domain/Repository/DomainRepositoryInterface.php
@@ -17,4 +17,6 @@ interface DomainRepositoryInterface extends ObjectRepository, EntitySpecificatio
     public function findDomains(?ApiKey $apiKey = null): array;
 
     public function findOneByAuthority(string $authority, ?ApiKey $apiKey = null): ?Domain;
+
+    public function domainExists(string $authority, ?ApiKey $apiKey = null): bool;
 }
diff --git a/module/Core/test-db/Domain/Repository/DomainRepositoryTest.php b/module/Core/test-db/Domain/Repository/DomainRepositoryTest.php
index 3f69e7d9..d1b3bbeb 100644
--- a/module/Core/test-db/Domain/Repository/DomainRepositoryTest.php
+++ b/module/Core/test-db/Domain/Repository/DomainRepositoryTest.php
@@ -55,6 +55,10 @@ class DomainRepositoryTest extends DatabaseTestCase
         self::assertEquals($detachedWithRedirects, $this->repo->findOneByAuthority('detached-with-redirects.com'));
         self::assertNull($this->repo->findOneByAuthority('does-not-exist.com'));
         self::assertEquals($detachedDomain, $this->repo->findOneByAuthority('detached.com'));
+        self::assertTrue($this->repo->domainExists('bar.com'));
+        self::assertTrue($this->repo->domainExists('detached-with-redirects.com'));
+        self::assertFalse($this->repo->domainExists('does-not-exist.com'));
+        self::assertTrue($this->repo->domainExists('detached.com'));
     }
 
     /** @test */
@@ -115,6 +119,12 @@ class DomainRepositoryTest extends DatabaseTestCase
             $this->repo->findOneByAuthority('detached-with-redirects.com', $detachedWithRedirectsApiKey),
         );
         self::assertNull($this->repo->findOneByAuthority('foo.com', $detachedWithRedirectsApiKey));
+
+        self::assertTrue($this->repo->domainExists('foo.com', $authorApiKey));
+        self::assertFalse($this->repo->domainExists('bar.com', $authorApiKey));
+        self::assertTrue($this->repo->domainExists('bar.com', $barDomainApiKey));
+        self::assertTrue($this->repo->domainExists('detached-with-redirects.com', $detachedWithRedirectsApiKey));
+        self::assertFalse($this->repo->domainExists('foo.com', $detachedWithRedirectsApiKey));
     }
 
     private function createShortUrl(Domain $domain, ?ApiKey $apiKey = null): ShortUrl