on *:TEXT:!dns *:#: {

  %channel = #hehehehetest

  if ( $chan == %channel ) {
    %onlythischeck = 123
    .dns $$2
  }

}
on *:DNS:{ 
  if ( %onlythischeck ) {
    if ( $dns(0).ip ) { msg %channel $dns(0).ip } 
    else { msg %channel Didn't work }
    unset %onlythischeck
  }

}