Public DNS servers open to any on the Internet


Following the good will by Google many other providers made their DNS servers available to us without any limitations as recursive resolvers. As they do not announce it widely enough you may not have heard abouth them, here is the list of these DNS servers:

  • OpenDNS/Cisco Umbrella: 208.67.222.220 and 208.67.222.222

  • Hurricane Electric (he.net): 74.82.42.42

  • OpenNIC (https://www.opennicproject.org/): 50.116.23.211

  • VeriSign: 64.6.64.6 and 64.6.64.4

  • Comode Secure DNS: 8.20.247.20 and 8.26.56.26

  • Level3: 209.244.0.3 and 209.244.0.4

  • Free DNS https://freedns.zone/en/: 37.235.1.174 and 37.235.1.177

  • DynDNS: 216.146.35.35 and 216.146.35.36