dnsbench is a rudimentary tool to measure responsiveness of popular recursive dns providers from your location.
The program generates mean dns query response times in milliseconds based on query of top 100 urls
sample output of the program
resolving google ..
65.0
resolving opendns ..
76.0
resolving dyn ..
216.0
resolving level3 ..
70.0
resolving qaud9 ..
325.0
resolving verisign ..
156.0