Network Administration: Displaying DNS Records
One of the main uses of nslookup is to examine your DNS configuration to make sure that it’s set up properly. To do that, follow these steps:
At a command prompt, type nslookup without any parameters.
nslookup displays the name of the default name server and displays the > prompt.
C:>nslookup Default Server: ns1.orng.twtelecom.net Address: 184.108.40.206 >
Type the subcommand set type=any.
nslookup silently obeys your command and displays another prompt:
> set type=any >
Type your domain name.
nslookup responds by displaying the name servers for your domain:
> lowewriter.com Server: ns1.orng.twtelecom.net Address: 220.127.116.11 Non-authoritative answer: lowewriter.com nameserver = NS000.NS0.com lowewriter.com nameserver = NS207.PAIR.com lowewriter.com nameserver = NS000.NS0.com lowewriter.com nameserver = NS207.PAIR.com >
Use a server command to switch to one of the domain’s name servers.
For example, to switch to the first name server listed in Step 3, type server NS000.NS0.com. nslookup replies with a message that indicates the new default server:
> server ns000.ns0.com Default Server: ns000.ns0.com Address: 18.104.22.168 >
Type your domain name again.
This time, nslookup responds by displaying the DNS information for your domain:
> lowewriter.com Server: ns000.ns0.com Address: 22.214.171.124 lowewriter.com primary name server = ns207.pair.com responsible mail addr = root.pair.com serial = 2001121009 refresh = 3600 (1 hour) retry = 300 (5 mins) expire = 604800 (7 days) default TTL = 3600 (1 hour) lowewriter.com nameserver = ns000.ns0.com lowewriter.com nameserver = ns207.pair.com lowewriter.com MX preference = 50, mail exchanger = sasi.pair.com lowewriter.com internet address = 126.96.36.199 >
Type exit to leave the Nslookup program.
You return to a command prompt.
> exit C:>
Wasn’t that fun?