performs a reverse dns lookup . concode_field_sep String domainProperty concode_elem_sep boolean preferV6 concode_elem_sep String nsProperty concode_elem_sep String v6Property concode_field_sep Object invoke concode_elem_sep InetAddress[] lookupAllHostAddr
String function ( byte [ ] arg0 ) { Name loc0 = ReverseMap . fromAddress ( InetAddress . getByAddress ( arg0 ) ) ; Record [ ] loc1 = new Lookup ( loc0 , Type . PTR ) . run ( ) ; if ( loc1 == null ) throw new UnknownHostException ( ) ; return ( ( PTRRecord ) loc1 [ 0 ] ) . getTarget ( ) . toString ( ) ; }