mxmehl/ip-returner
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handle case if there is no hostname

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Max Mehl
2023-05-24 11:03:29 +02:00
parent 9ec952236f
commit 6109429b21
1 changed files with 9 additions and 4 deletions
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13
index.php
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@@ -145,7 +145,7 @@ function show_dnsrecords($hostname) {
echo "" . $value['rname'] . " (rname), "; echo "" . $value['rname'] . " (rname), ";
echo "" . $value['serial'] . " (serial)<br />\n"; echo "" . $value['serial'] . " (serial)<br />\n";
} }
// OTHER // OTHER
$dnsrecords = dnsrecords($hostname, "OTHER"); $dnsrecords = dnsrecords($hostname, "OTHER");
if(!empty($dnsrecords)) { if(!empty($dnsrecords)) {
@@ -178,8 +178,8 @@ function print_footer() {
// HELPER FUNCTIONS // HELPER FUNCTIONS
function readheader($value) { function readheader($value) {
echo "<strong>" . $value . "</strong>: "; // show desired value echo "<strong>" . $value . "</strong>: "; // show desired value
if(isset($_SERVER[$value])) { // only if desired header has been delivered if(isset($_SERVER[$value])) { // only if desired header has been delivered
echo $_SERVER[$value]; echo $_SERVER[$value];
} }
echo "<br />\n"; echo "<br />\n";
@@ -189,7 +189,12 @@ function ip2hostname($ip) {
return $hostname; return $hostname;
} }
function hostname2ip($hostname) { function hostname2ip($hostname) {
$ip = implode(', ', gethostbynamel($hostname)); $ipsbyhostname = gethostbynamel($hostname);
if($ipsbyhostname === false) {
$ip = $hostname;
} else {
$ip = implode(', ', gethostbynamel($hostname));
}
return $ip; return $ip;
} }
function dnsrecords($hostname, $record = "DNS_ALL") { function dnsrecords($hostname, $record = "DNS_ALL") {