primary nameserver

24 June 2014 at 1:52pm
When providing DNS nameserver services a degree of redundancy is needed. In most cases the DNS records for a particular domain will be hosted by at least two nameservers, but is that enough by itself? When building a resilient system the risks involved with the failure modes of the system need to be considered and weighed up against the associated costs and overheads. As a common example - does having both DNS servers on the same local network segment provide you with protection against network failure? Probably not.
Anonymous
The Janet Service Desk is staffed from 07:00 to 23:59 Monday to Friday and is covered by an answering machine outside these hours. All enquiries are dealt with in accordance with JANET(UK)'s Service Level Agreements (SLAs). Telephone: 0300 300 2212 (UK)Fax: 0300 300 2213E-mail: service@ja.net It is helpful to include the abbreviation ‘JPN service’ in the Subject field of any mail message. Contact the Janet Service Desk to:
Anonymous
Delegation associates nameservers with your domain. In this case, the Janet nameservers are the ones to which your domain will be delegated.
Anonymous
To register your domain name under ac.uk or gov.uk, if this has not already been done, or to change delegation details.
Anonymous
Use of the JANET Primary Nameserver service is subject to the JANET Acceptable Use Policy and the JANET Security Policy.
Anonymous
The service is intended to provide a basic primary nameserver service to support e-mail and web use by smaller or less experienced Janet customer organisations. Organisations capable of providing their own primary nameserver should do so rather than relying on the Janet Primary Nameserver Service. For Janet customer organisations that have been allocated a DNS domain by the relevant domain registrar, the service can provide primary nameservers that will respond to queries for a small number of resource records in their domain.
Anonymous
To: JANET Service DeskSubject: JANET Primary Nameserver service application for Example College
Anonymous
Please note that applications are made on behalf of an organisation and can only be accepted from appropriately authorised people. They should be addressed to Janet Service Desk at: service@ja.net They should have the Subject: Janet Primary Nameserver Service application for (name of organisation)
Anonymous
Albitz P. and Liu C., DNS and BIND 4th edition (O'Reilly 2001) ISBN 0-596-00158-4. Larson M. and Liu C. DNS on Windows 2000 2nd edition (O'Reilly 2001) ISBN 0-596-00230-0. RFC 1034 Domain Names - Concepts and Facilities
Anonymous
Some organisations may not wish to delegate their entire domain to the Janet Primary DNS service, but still want to benefit from using the automatic failover feature and/or be able to redirect selected records in the event that their primary domain becomes unavailable. One option that could allow you to achieve this is to delegate a subdomain to the Janet Primary DNS service, and populate that with the address records that need to fail over or be manually managed in the event the primary DNS server fails.
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