diff --git a/internal/framework/resources/registered_domain/resource_test.go b/internal/framework/resources/registered_domain/resource_test.go
index e5ef702..34e2b6c 100644
--- a/internal/framework/resources/registered_domain/resource_test.go
+++ b/internal/framework/resources/registered_domain/resource_test.go
@@ -160,7 +160,7 @@ func TestAccRegisteredDomainResource_WithOptions(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	domainName := utils.RandomString(62) + ".com"
+	domainName := utils.RandomString(62) + ".pw"
 	resourceName := "dnsimple_registered_domain.test"
 
 	resource.Test(t, resource.TestCase{