Any user can change our NS servers in records list. If you want to use only two servers of exist four, you can delete others from the list.For premium users are available two new features in "SOA settings" - "Primary NS" and "Default TTL".
If you have some problems with new features please contact us by e-mail firstname.lastname@example.orgAnd... We adding FAQ section ;-)
Premium users can manage information of SOA record - DNS admin e-mail, refresh, retry and expire time.
All the time our DNS servers worked correctly.ClouDNS Team
Today we adding IPv6 support of our system. Any user (free/premium) can add AAAA records.Regards,