MaxLenght of the input field is 2048, so you can put lots of domains in it. Of course, it's not a complete solution but it works to some extents, specially beca

MaxLenght of the input field is 2048, so you can put lots of domains in it. Of course, it's not a complete solution but it works to some extents, specially because it filters out stuff on server side and not with a css' display:none.