It's quite common in the UK: https://en.wikipedia.org/wiki/Web_blocking_in_the_United_Kingdom#By_feed_type https://en.wikipedia.org/wiki/Web_blocking_in_the_Uni

It's quite common in the UK: https://en.wikipedia.org/wiki/Web_blocking_in_the_United_Kingdom#By_feed_type https://en.wikipedia.org/wiki/Web_blocking_in_the_United_Kin... My ISP does the blocking slightly - the DNS response is fine, but they inject a redirect into the HTTP response.