chrome/test/data/iframe_dns_error.html - chromium/src - Git at Google

 <html>
 <head>
 <title>Blah</title>
 </head>
 <body>
 This frame will fail to load with a DNS error:
 <iframe src="http://url.handled.by.fake.dns/"></iframe>
 </body>
 </html>
	<html>
	<head>
	<title>Blah</title>
	</head>
	<body>
	This frame will fail to load with a DNS error:
	<iframe src="http://url.handled.by.fake.dns/"></iframe>
	</body>
	</html>