I stupidly did a 301 redirect on websiteA.com to websiteB.com. After removing it from the .htaccess file the redirect is still in operation. I tried from outside the local n
The browser caches the 301 Moved Permanently, until told otherwise. It is default behavior: http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.2.
To fix it in IE9: