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The box labeled Append these DNS suffixes (in order) lets you specify a list of DNS suffixes to try, called a DNS suffix search list. If you enter a DNS suffix search list, the resolver adds those DNS suffixes in order and does not try any other domain names. For example, if the Append these DNS suffixes (in order) box includes the names listed in Figure 6.9 and you submit the unqualified, single-label query "coffee," the resolver queries in order for the following FQDNs:
When a user enters an FQDN, the resolver queries DNS using that name. Likewise, when a user enters a multiple-label, unqualified (not terminated with a period) name, the DNS resolver adds a terminating period and queries DNS using that name.
However, if the user enters a multiple-label, unqualified name and it fails to resolve as an FQDN, or if the user enters a single-label, unqualified name, the resolver systematically appends different DNS suffixes to the name that the user entered, adding periods to make them FQDNs, and resubmitting them to DNS.
If the user has not entered a domain suffix search list, the resolver appends the following names:
1.
The primary DNS suffix, which is specified on the Network Identification tab of the System Properties dialog box in the properties for My Computer . Click the Properties button, and then click More .
2.
If resolution is not successful, the resolver appends each connection-specific DNS suffix. This suffix can be dynamically assigned by the DHCP server. You can also specify suffixes on the DNS tab in the Advanced TCP/IP Settings dialog box for each connection. You open the Advanced TCP/IP Settings dialog box by right-clicking the connection and then clicking Properties to reach the properties from the connection, then double-clicking Internet Protocol (TCP/IP) to reach the Internet Protocol (TCP/IP) Properties dialog box, and then clicking Advanced .