Open public DNS

Google Public DNS
IPv4 IPv6 ドメイン
8.8.8.8 2001:4860:4860::8888 google-public-dns-a.google.com
8.8.4.4 2001:4860:4860::8844 google-public-dns-b.google.com
OpenDNS
ipv4
IP ドメイン
208.67.222.222 resolver1.opendns.com
208.67.220.220 resolver2.opendns.com
ipv6
IP ドメイン
2620:0:ccc::2 resolver1.ipv6-sandbox.opendns.com
2620:0:ccd::2 resolver2.ipv6-sandbox.opendns.com