I had my own script. CloudFlare and CleanBrowsing are great, but my ISP (Telekom) still wins.

  Tested 20 domains 5 times each
                Median    MAD
  NortonDNS      38 ms   + 3 ms
  CleanBrowsing  25 ms   +22 ms
  CloudFlare     24 ms   + 2 ms
  AdGuard        36 ms   + 6 ms
  Yandex         60 ms   +53 ms
  Comodo         46 ms   +11 ms
  Google         39 ms   +12 ms
  Quad9          39 ms   +26 ms
  OpenDNS        35 ms   +11 ms
  NeuStar        37 ms   + 2 ms
  Telekom        20 ms   +10 ms
  (system)        5 ms   + 9 ms