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DNS Suffixes

Domain-name system (DNS) suffixes have the following two primary purposes:

• When appended to the server host name, DNS suffixes constitute the fully qualified server name.
• DNS suffixes are used to resolve Internet Protocol (IP) addresses. If your server is a member of a Windows NT 4 domain, a Microsoft Active Directory, or a workgroup, the DNS suffix is dependent upon the domain environment.

Including hyphens and periods, a DNS suffix may contain up to 155 characters.

Related Topics

For more information about DNS configuration, see DNS Configuration. For more information about DNS name resolution, see DNS Name Resolution.