2 ms·If you used default nameservers, you'd be introducing all the usual DNS complications, e.g. caching.by quesera 3y agoIf you used default nameservers, you'd be introducing all the usual DNS complications, e.g. caching.avidiax 3y agoThose complications would be easily controllable using the TTL.quesera 3y agoMany ISP caches do not respect TTLs.