execute : execute nslookup
 
execute nslookup
Use this command to perform nslookup queries.
Syntax
execute nslookup name {<fqdn>|<ip>}
<fqdn>
Lookup the IP address for the specified host.
<ip>
Lookup the FQDN for the specified IP address.
Example
FortiADC-VM # execute nslookup name example.com
 
Non-authoritative answer:
Name: example.com
Address: 93.184.216.34