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DNS suffixes?

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Old 14-Apr-2008, 07:54 PM
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DNS suffixes?

Can someone explain DNS suffixes to me?,
I understand DNS but my books dont really explain what a DNS suffix is or why you would want to append one?

 
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Old 14-Apr-2008, 08:58 PM
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found this which looks fairly useful for ya:

http://ezinearticles.com/?Domain-Suf...ies)&id=507221

 
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Old 14-Apr-2008, 10:36 PM
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Quote:
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:

coffee.reskit.com.

coffee.eu.reskit.com.
More here..

http://www.microsoft.com/technet/pro....mspx?mfr=true

Quote:
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 .
More here Gav..

http://www.microsoft.com/technet/pro....mspx?mfr=true


"A child of five could understand this. Fetch me a child of five." <Groucho Marx>

Last edited by Bluerinse : 14-Apr-2008 at 10:39 PM.
 
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Old 15-Apr-2008, 06:58 PM
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Gavin cass Gavin cass is offline
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Thanks very much guys,
This will give me something to chew over tonight

 
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