perl 监控网站域名劫持

use Net::Ping;
use Socket;
use LWP::Simple qw(get);  
use HTTP::Date qw(time2iso str2time time2iso time2isoz);
use Net::Ping;  
use Socket;
use Net::SMTP;
sub send_mail{
if (@_ != 2){print "请输入2个参数
";exit 1};
    ($m,$n) = @_; #将参数赋值给变量  
    my $to_address  = $m;
my $CurrTime = time2iso(time());
    my $to_address  = $m;

 my $mail_user   = 'zhaoyangjian@zjcap.cn';
    my $mail_pwd    = 'xxxx';
    my $mail_server = 'smtp.exmail.qq.com';

    my $from    = "From: $mail_user
";
    my $subject = "Subject: zjcap info
";
    my $info = "$CurrTime--$n";
     my $message = <<CONTENT; 
     $info
CONTENT
    my $smtp = Net::SMTP->new($mail_server);

    $smtp->auth($mail_user, $mail_pwd) || die "Auth Error! $!";
    $smtp->mail($mail_user);
    $smtp->to($to_address);

    $smtp->data();             # begin the data
    $smtp->datasend($from);    # set user
    $smtp->datasend($subject); # set subject
    $smtp->datasend("

");
    $smtp->datasend("$message
"); # set content
    $smtp->dataend();
    $smtp->quit();
};
@array=('www.zjcap.cn', 'wenjinbao.winfae.com');
foreach $host (@array){
$p = Net::Ping->new("icmp");
if ($p->ping($host,5)){print "$host is alive.
"}
else{ send_mail('zhaoyangjian@zjcap.cn', "$host is lost")};
# print "reachable.
";
 $p->close();
 #sleep(1);
};

$host='www.zjcap.cn';
$address=inet_ntoa(inet_aton($host));
print "$host is $address
";

unless ($address eq '121.40.3.229'){send_mail('zhaoyangjian@zjcap.cn', "$host 被域名劫持--$address")};



$host='wenjinbao.winfae.com';
$address=inet_ntoa(inet_aton($host));
print "$host is $address
";

unless ($address eq '120.55.138.118'){send_mail('zhaoyangjian@zjcap.cn', "$host 被域名劫持--$address")};