[LiskHQ/lisk] Use DNS name instead of IP addresses for seed nodes in config.json (#2325)

fchavant commented on this pull request.

> @@ -199,7 +201,37 @@ d.run(() => {
if (!appConfig.nethash) {
throw Error(‘Failed to assign nethash from genesis block’);
}
— cb(null, appConfig);
+
+ // In case domain names are used, resolve those to IP addresses.

How often are those names resolved? Once on startup or periodically?