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DNS Zone Management, Contacts and Zone Transfers
(Page 1 of 3)
The authority for a particular DNS
zone is responsible for performing a variety
of tasks to manage it. Zone management encompasses the entire
gamut of jobs related to a zone: deciding on the name hierarchy within
the zone, specifying procedures for name registration, technical work
related to keeping DNS servers running and other administrative
overhead of all sorts. This job can be either very small or incredibly
large, depending on the type of organization. A small domain owned by
an individual doesn't require much work to manage, while one for a huge
company might require a dedicated staff to maintain.
It is important that it be possible
for anyone on an internetwork to be able to determine who the owner
of a domain is, so that person can be reached for whatever reason. On
the Internet, each DNS domain has associated with it a set of three
contacts that are responsible for different facets of managing
a domain. These are the:
- Administrative Contact: The main
contact, responsible for the domain as a whole. This individual or organization
is considered the overall owner of the domain.
- Billing Contact: A contact responsible
for handling payment for domain services and other accounting matters.
- Technical Contact: A contact who handles
the technical details of setting up DNS for the domain and making sure
For smaller domains, there usually
is no separate billing contact; it is the same as the administrative
contact. In contrast, the technical contact is often different from
the administrative contact in both large and small domains. Large organizations
will make the technical contact someone in their information technology
department. Small organizations often let their Internet Service Provider
(ISP) provide DNS services, and in that case, the technical contact
would be someone at that ISP.
Key Concept: Each DNS domain has associated with it a set of three contact names that indicate who is responsible for managing it. The administrative contact is the person with overall responsibility for the domain. The billing contact is responsible for payment issues; this may be the same as the administrative contact. The technical contact is in charge of technical matters for the domain, and is often a different person than the administrative contact, especially when DNS services are out-sourced.
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The TCP/IP Guide (http://www.TCPIPGuide.com)
Version 3.0 - Version Date: September 20, 2005
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