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Authoritative DNS server changes

To modify the authoritative DNS servers for your domain name please follow these steps:

  1. Login to our members pages.
  2. In the members home either click on the "View/configure your domains" link or submit the "Quick Search" form.
  3. You should now be confronted with a table of domains names, click on the "Configure" link for the domain you wish to update.
  4. You should now be confronted with all the information (authoritative DNS servers and various contact details) the registry keeps regarding your domain. Click on the "Change authoritative DNS servers" link.
  5. Fill in and submit the form. You will have to specify at least two host names for DNS servers, IP addresses cannot be submitted, these will be resolved from the host names.

Authoritative DNS server changes are performed in real time, hence the registry records will be modified when the form in step 5 is submitted. However it may take up to 24 hours for the root servers to be updated and up to a further week for all internet DNS caches to be up to date. In practice effects usually take effect within 24 hours, you may check DNS records using our online domain information groper gateway.

Terminology

Domain name system (DNS)

The domain name system (DNS) is a distributed network directory service containing records regarding domain and host names. In the context of the internet it is used mainly to translate internet host names to IP addresses, which define the exact location of computers connected to the internet. Most internet services including email and web sites rely on DNS to operate correctly. You may query any internet DNS record via our online domain information groper gateway.

Authoritative DNS server

An authoritative DNS server is a network device (usually a computer) which holds the definitive DNS records for a given domain name. Such a server does not necessarily contain any correct DNS records for domain names other than those for which it is the authority. In the context of the internet the root DNS servers ultimately define which DNS server is the authority for a given domain name. A properly configured internet DNS cache my be queried for a name server record to resolve DNS authorities.

DNS caching server

A DNS caching server is a network device (usually a computer) which can be queried to resolve DNS records. It will either return a result from its cache or follow the DNS authority chain to ultimately consult the authoritative DNS server for the domain in question. You may query our local internet DNS cache via our online domain information groper gateway.

Registry glue records

These records are the network address of a host name within the domain name registered. They are published by whois and the DNS root when answering name server queries. Glue records are required when the network addresses of the authoritative name server host names for a given DNS zone cannot be resolved independently of the DNS zone that they are servicing. In these cases if there were no glue record then DNS resolution could result in a loop.


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