DNS commands


To see how long a record is cached, include the debug option, as shown in the following example:
nslookup -type=A -debug rackspace.co.uk

Use the -type=soa option to tell nslookup to display the authoritative (primary) name server.
nslookup -type=soa rackspace.co.uk

The following example shows how to check for any A records for rackspace.co.uk:

C:\Users\Administrator>nslookup -type=A rackspace.co.uk

					
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