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.hta_slug/who-is.php

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+<section class="diZContainer diZmxAuto">
+    <h2 class="diZBorderBottom">Ultimate Domain & IP Lookup Tool</h2>
+    <p class="diZmb20">This tool allows you to perform a comprehensive lookup of domain names or IP addresses, providing detailed WHOIS information.</p>
+    <form method="post" class="diZToolsSection diZmt4 diZmb4 diZBorderRadius diZPadding5px ">
+        <div class="diZFlexRowCol diZJustifyCenter diZItemsCenter ">
+            <input class="diZmr2 diZw70" placeholder="Domain" name="domain" type="text" />
+            <p class="diZmr2">OR</p> 
+            <input class="diZmr2 diZw70" placeholder="IP Address" name="ip" type="text" />
+            <button type="submit"><span>Check</span></button>
+        </div>
+    </form>
+    <?php
+        if(isset($_POST['domain']) && $_POST['domain']){
+            function validateDomain($domain) {
+                $regex = "/^(?!\-)(?:[a-zA-Z0-9\-]{0,61}[a-zA-Z0-9]\.)+[a-zA-Z]{2,}$/";
+                if (preg_match($regex, $domain)) {
+                    return true;
+                } else {
+                    return false;
+                }
+            }
+
+            $domain = isset($_POST['domain']) ? $_POST['domain'] : '';
+            if ($domain && validateDomain($domain)) {
+                $command = 'whois '.$_POST['domain'];
+                $escaped_command = escapeshellcmd($command);
+                $output = shell_exec($escaped_command);
+                echo '<div class="diZContainer diZmxAuto diZPadding5px"><pre class="diZTextJustify" style="width: fit-content;"> ',$output, '</pre> <br><br></div>';
+            } else {
+                echo "Invalid domain.";
+            }
+        }
+        if(isset($_POST['ip']) && $_POST['ip']){
+            function validatePublicIp($ip) {
+                if (filter_var($ip, FILTER_VALIDATE_IP)) {
+                    if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) {
+                        return true;
+                    }
+                }
+                return false;
+            }
+            $ip = isset($_POST['ip']) ? $_POST['ip'] : '';
+            if ($ip && validatePublicIp($ip)) {
+                $command = 'whois '.$_POST['ip'];
+                $escaped_command = escapeshellcmd($command);
+                $output = shell_exec($escaped_command);
+                echo '<div class="diZContainer diZmxAuto diZPadding5px"><pre> ',$output, '</pre> <br><br></div>';
+            } else {
+                echo "Invalid IP address.";
+            }
+        }
+    ?>
+    <div>
+        <h3>Usage:</h3>
+        <ul>
+            <li>Enter a domain name or an IP address into the respective input field.</li>
+            <li>Click the "Check" button to retrieve WHOIS information.</li>
+        </ul>
+
+        <h3>Features:</h3>
+        <ul>
+            <li>Supports lookup for both domain names and IP addresses.</li>
+            <li>Displays WHOIS data including registration details and administrative contacts.</li>
+            <li>Secure input validation to ensure accurate results.</li>
+        </ul>
+
+        <h3>Example Use Cases:</h3>
+        <ul>
+            <li>Investigate ownership and registration details of a domain.</li>
+            <li>Check the WHOIS information of an IP address for network troubleshooting.</li>
+            <li>Verify domain availability and registration status.</li>
+        </ul>
+    </div>
+</section>