#!/usr/bin/perl -w
use strict;
use warnings;
use AnyEvent::DNS;

my ($domain);
my (@domains,@condvars);

my $resolver = AnyEvent::DNS::resolver;

while ($domain = <>;)
{
  # clean off newline
  chomp $domain;
  
  # send dns packets
  $resolver->resolve($domain,"*",my $condvar  = AnyEvent->condvar);

  # receive dns packets
  $condvar->recv;
  print "$domain\n";
}

##</code><code>##


#!/usr/bin/perl -w
use strict;
use warnings;
use AnyEvent::DNS;

my ($domain);
my (@domains,@condvars);

my $resolver = AnyEvent::DNS::resolver;

while (1)
{
  # send dns packets
  for my $i (1..10)
  {
    $domain = <>;
    # clean off newline
    chomp $domain;
    $resolver->resolve($domain,"*",my $condvar  = AnyEvent->condvar);
	push @condvars, $condvar; 
  }
  
  # receive dns packets
  while (my $condvar = pop @condvars)
  {
    $condvar->recv;
    print "$domain\n";
  }
}