diff --git a/src/lib/factory.ts b/src/lib/factory.ts
index 1fc6adf..6bf3a4a 100644
--- a/src/lib/factory.ts
+++ b/src/lib/factory.ts
@@ -88,7 +88,7 @@ export class DomainFactory {
   newDomain(domain: string): Domain {
     return {
       name: domain,
-      extension: domain.split(".", 1)[1] ?? "",
+      extension: domain.split(".").slice(1).join("."),
       searching: false,
       available: true,
     };