Focus

You want to verify whether a PTR record exists for the server$1.$csmtech.local host, but you don't know the server's IP address. Which of the following commands should you use to see whether a PTR record exists for server$1.$csmtech.local?

ping $-$a server$1.$csmtech.local, and then ping IPAddress returned from the first ping

dnscmd $/$PTR server$1.$csmtech.local

nslookup server$1.$csmtech.local, and then nslookup IPAddress returned from the first nslookup

dnslint $/$PTR server$1.$csmtech.local