Code:
#cFdns off
On 1:DNS:/echo -s %nick $+ 's Host: %host $+ , IP: $raddress | unset %nick | unset %host
#cFdns end
Menu nicklist,query {
 .IP:{
  set %nick $nick
  set %host $gettok($address($nick,2),2,64)
  .dns %host
  .enable #cFdns
  }
}