Yes, I think you'll agree that there are a number of aspects you need to take into account when considering whether you want to list a domain name on the Internet. You'll also need to purchase name service Registration cannot proceed until two or more properly configured DNS name servers for the domain name requested are running. You should be aware that when an agent is used, an agency relationship is formed, which may be subject to the laws of contract and agency. Agents should acknowledge their responsibilities in acting for the name holder and agree to be bound by all published policies. To keep the name active, the name holder needs to keep two name servers active.
Delegation is a technical area, and loss of it results in automatic cancellation of the name.
Failure to do so may result in permanent loss of the name. As a help, you may consider sourcing secondary name service direct from Domainz, but note that fees apply. You will usually use an agent to sort this out for you. There are a whole range of things to consider when choosing a name, and the rules surrounding them can be found in the New Zealand domain name structure document. You should read and understand this document prior to registering a name.