The DNS One does the best job of the three of administering multiple user accounts (administrator, super users and users) with filtered views, which permit views of designated zones or networks based on role. DNS queries and access to the management interface can be restricted for zones or networks using access lists.
DNS One, $7,000. Infoblox, (847) 475-8500, Ext. 155. www.infoblox.com
Joe Hernick is an IT director with a Fortune 500 firm; he has 12 years of consulting and project management experience in data and telecom environments. Dean Ellerton, MS.Ed, is the director of technology for a private New England boarding school. Write to them at [email protected].
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Executive Summary
DNS appliances offer advantages in ease of use and long-term cost savings when compared with server-based solutions. The appliances we tested all provide excellent functionality, serving up services while targeting an often hidden IT cost: The use of top IT staffers to design, set up and troubleshoot DNS. Migrating to a DNS appliance should allow these employees to allocate more time to business-focused concerns, instead of tinkering with the network.
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