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Difference between revisions of "DNS"
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http://theos.in/windows-xp/free-fast-public-dns-server-list/ | http://theos.in/windows-xp/free-fast-public-dns-server-list/ | ||
== NSLookup == | == Troubleshooting == | ||
=== NSLookup === | |||
NSLookup is a Name Server Lookup/Query tool which exists in both Unix and Windows distributions, and generally speaking, functionaly the same regardless of which version you're using. To start, run <code>nslookup</code> from the command line. | NSLookup is a Name Server Lookup/Query tool which exists in both Unix and Windows distributions, and generally speaking, functionaly the same regardless of which version you're using. To start, run <code>nslookup</code> from the command line. | ||
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== Propagation == | === Propagation === | ||
One of the features of DNS is the way that records get cached around the globe. Meaning that any changes to existing records have to ripple around. Generally changes take up to 72 hrs (3 days) to take effect. | One of the features of DNS is the way that records get cached around the globe. Meaning that any changes to existing records have to ripple around. Generally changes take up to 72 hrs (3 days) to take effect. | ||
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'''To view the propagation of a record around the world see http://www.whatsmydns.net''' | '''To view the propagation of a record around the world see http://www.whatsmydns.net''' | ||
=== General === | |||
The following site has a number of tools that allow you to investigate how a domain is viewed externally/publicly... | |||
http://enc.com.au/itools/ | |||
== Notes == | == Notes == | ||