Unlike the ping/tracert tools, nslookup lets you troubleshoot problems with dns and the nameserver entries.
At the command prompt, enter 'nslookup ngeorgia.com' and the reply should look like this:
There are many things that can be done with nslookup, some are fairly esoteric. To begin an interactive session, key nslookup at the command prompt.
The system responds with a "greater than" sign, without a root directory or path.
You can key in a domain name and find the nameserver's A record. In addition to the A record, for a domain to correctly route email it must have both an A record and an MX (or mail exchange) record. It is becoming common to designate the address mail.yourdomain.com as the mail server, but many people simply use the domain's A record as the mail server's A record.
To view the MX records for a web site, enter:
> set type=MX
mx4.mail.yahoo.com internet address = 220.127.116.11
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