<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Domain WHOIS Extractor</title>
</head>
<body>
<h1>Upload Domain List File</h1>
<form action="upload.php" method="post" enctype="multipart/form-data">
<label>Select domain list file to upload:</label>
<input type="file" name="file" id="file" required>
<button type="submit">Upload File</button>
</form>
</body>
</html>