Make `now dns rm` work again

lib/domain-records.js

@@ -58,8 +58,10 @@ module.exports = class DomainRecords extends Now {
     const domainList = await Promise.all(bodies);
 
     for (const body of domainList) {
+      const index = domainList.indexOf(body);
+
       records.set(
-        body,
+        domains[index],
         body.records.sort((a, b) => a.slug.localeCompare(b.slug))
       );
     }