This type of attack is a major threat and the Internet naming and addressing authorities have taken it very seriously indeed. DNS servers have incorporated numerous security measures to prevent repetitions of this attack from being successful. These include having the servers mirror and monitor each other as well as controlling very carefully how updates are introduced into the servers.
This kind of problem can be resolved by positive site identification, where the end user is able to automatically check the claimed web site URL against the content provided, as provided by the ArticSoft approach.