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  1. or download this
    #split apart flags
    my $qr=$flags & 0x8000;
    my $opcode=($flags & 0x001e) >> 11;
...
    my $rd=$flags & 0x0100;
    my $ra=$flags & 0x0080;
    my $rcode=$flags & 0x000f;
  2. or download this
    ID: 2
QR: 1
OPCODE: 0
...
ANCOUNT: 6
NSCOUNT: 0
ARCOUNT: 0
  3. or download this
    #split apart flags
    my $qr=! ! ($flags & 0x8000);
    my $opcode=($flags & 0x001e) >> 11;
...
    my $rd=! ! ($flags & 0x0100);
    my $ra=! ! ($flags & 0x0080);
    my $rcode=$flags & 0x000f;
  4. or download this
    ID: 2
QR: 1
OPCODE: 0
...
ANCOUNT: 6
NSCOUNT: 0
ARCOUNT: 0