[jodrellblank]

There's a startup for that: https://www.browserling.com/ run by user pkrumins

https://www.browserling.com/browse/win/7/ie/11/https%3A%2F%2...

[UweSchmidt]

There is also http://saucelabs.com/ and https://www.browserstack.com/ who have real devices and allow you to run automated tests.

[alexmcpeak]

As well as https://crossbrowsertesting.com