And FWIW, there are currently a few other other same-quad open resolvers: # IP - desc | CIDR | recursion-yes 1.1.1.1 - APNIC-LABS - Research prefix for APNIC Labs (now Cloudflare distributed public recursive DNS) | 1/8 | recursion-yes 8.8.8.8 - Google LLC (public recursive DNS) | 8.8.8/24 | recursion-yes 9.9.9.9 - Quad9 (public recursive DNS) | 9.9.9/24 | recursion-yes 77.77.77.77 - Dadeh Gostar Asr Novin P.J.S. Co. (Iran) | 77.77.64/19 | recursion-yes 80.80.80.80 - Freenom DNS CLoud IP Space | 80.80.80/23 | recursion-yes 114.114.114.114 - NanJing XinFeng Information Technologies, Inc. | 114.114/16 | recursion-yes Full survey - with owners of the largest bit-boundary-aligned blocks that contain them - here: https://gist.github.com/roycewilliams/6cb91ed94b88730321ca3076006229f1 Royce