Logiciel libre recommandé par l'état

French Data Network – FDN (IPv4 : 80.67.169.12 / 80.67.169.40 – IPv6 : 2001:910:800::12 / 2001:910:800::40)
OpenDNS (IPv4 : 208.67.222.222 / 208.67.220.220 – IPv6 : 2620:0:ccc::2 / 2620:0:ccd::2)
FreeDNS (IPv4 : 37.235.1.174 / 37.235.1.177)
Level3 (IPv4 : 209.244.0.3 / 209.244.0.4)
DNS Watch (IPv4 : 84.200.69.80 / 84.200.70.40 – IPv6 : 2001:1608:10:25::1c04:b12f / 2001:1608:10:25::9249:d69b)
UncensoredDNS (IPv4 : 91.239.100.100 / 89.233.43.71 – IPv6 : 2001:67c:28a4:: / 2a01:3a0:53:53::)
Verisign (IPv4 : 64.6.64.6 / 64.6.65.6 – IPv6 : 2620:74:1b::1:1 / 2620:74:1c::2:2)
Comodo Secure DNS (IPv4 : 8.26.56.26 / 8.20.247.20)
DNS Advantage (IPv4 : 156.154.70.1 / 156.154.71.1)
Norton ConnectSafe (IPv4 : 199.85.126.10 / 199.85.127.10)
OpenNIC (IPv4 : 185.121.177.177 / 169.239.202.202 – IPV6 : 2a05:dfc7:5::53 / 2a05:dfc7:5353::53)
Quad9 (IPv4 : 9.9.9.9 – IPv6 : 2620:fe::fe)

backup on multi os