<?PHP
if (＄domain)
{
if (＄domain)
{
＄fp = fsockopen( "rs.internic.net", 43, &＄errno, &＄errstr, 10);
if (!＄fp)
{
echo"＄errstr (＄errno)
n";
}
else
{
fputs(＄fp, "＄domainrn");
while(!feof(＄fp))
{
＄buf = fgets(＄fp,128);
if (ereg( "Whois Server:", ＄buf))
{
＄server = str_replace( "Whois Server: ","", ＄buf);
＄server = trim(＄server);
}
}
fclose(＄fp);
}
if (＄server)
{
echo"<B>＄domain is registered at ＄server:</B><BR>";
echo"<PRE>";
＄fp = fsockopen(＄server, 43, &＄errno, &＄errstr, 10);
if(!＄fp)
{
echo"Could not open connection to ＄server on port 43.n";
echo"＄errstr (＄errno)
n";
}
else
{
fputs(＄fp, "＄domainrn");
while(!feof(＄fp))
{
echo fgets(＄fp,128);
}
fclose(＄fp);
}
}
else{
echo( "<b>＄domain does not appear to be registered.</b><BR>");
}
echo ( "</PRE><BR>");
}
}
?>
<FORM ACTION=" <?PHP echo(＄PHP_SELF); ?>" METHOD="post">
查找 .com, .org, and .net 主机
主机名: <INPUT TYPE="text" NAME="domain" SIZE="40" MAXLENGTH="100">
<INPUT TYPE=submit VALUE="Find out"><INPUT TYPE=reset VALUE="Reset">
</FORM>