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Name Collision

« Back to Domain Name Dictionary | Definition of Name Collision

A name collision, within the domain name context, occurs when an attempt to resolve a domain name used in a private name space results in a query to the public Domain Name System (DNS).

As Robert Lemos wrote on DarkReading.com, “Among the most common internal company domain names that are also candidates to become generic TLDs are .home, .corp, .mail, and .exchange.” Because of this, companies could inadvertently expose data or server access to the Internet or more easily allow hackers to expose data.

Invalid Top Level Domain Queries at the Root Level of the Domain Name System (PDF) has been published by the ICANN Security and Stability Advisory Committee (SSAC) on 15 November 2010 detailing this issue.

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