isFQDN rejecting domains with more than two hypens

[krishnanms]

validator.isFQDN('xn--6cdcklga3agac0adveeerahel6btn3c.xn'); true

validator.isFQDN('xn------6cdcklga3agac0adveeerahel6btn3c.xn--p1ai'); false

The domain xn------6cdcklga3agac0adveeerahel6btn3c.xn--p1ai is in the alexa 1m domains list.

[chriso]

This was fixed in #466 (version 4.4.1):

> validator.isFQDN('xn------6cdcklga3agac0adveeerahel6btn3c.xn--p1ai');
true

[krishnanms]

Thanks for the update.