replace the forEach

src/dns.js

@@ -287,10 +287,10 @@ async function syncDnsRecords(options, progressCallback) {
         if (domain.domain === settings.dashboardDomain()) locations.push({ subdomain: constants.DASHBOARD_LOCATION, domain: settings.dashboardDomain() });
         if (domain.domain === settings.mailDomain() && settings.mailFqdn() !== settings.dashboardFqdn()) locations.push({ subdomain: mailSubdomain, domain: settings.mailDomain() });
 
-        allApps.forEach(function (app) {
+        for (const app of allApps) {
             const appLocations = [{ subdomain: app.location, domain: app.domain }].concat(app.alternateDomains).concat(app.aliasDomains);
             locations = locations.concat(appLocations.filter(al => al.domain === domain.domain));
-        });
+        }
 
         try {
             await registerLocations(locations, { overwriteDns: true }, progressCallback);