fix: whois check

src/lib/whois.ts

@@ -4,7 +4,12 @@ export async function isDomainAvailable(domain: string): Promise<boolean> {
       `https://whois.klemek.fr/api/lookup/${domain}`,
     );
     const content = await response.json();
-    return content?.data?.nameservers?.length === 0;
+    for (const event of content?.data?.events ?? []) {
+      if (event?.eventAction === "registration" && event?.eventDate === "") {
+        return true;
+      }
+    }
+    return false;
   } catch {
     return false;
   }