== オープンリゾルバー/公開リスト ==

<<TableOfContents()>>

Choosing a Public DNS Resolver
Posted by Angelique Medina
December 18th, 2018
https://blog.thousandeyes.com/choosing-public-dns-resolver/
{{{
    CleanBrowsing    185.228.168.168
    Cloudflare       1.1.1.1
    Google           8.8.8.8
    OpenDNS (Cisco)  208.67.222.222
    Quad9            9.9.9.9          
}}}
NXDOMAIN (NS) 脆弱なのも含まれている。!!!

[[../list]]

日本発の公開リゾルバーはあるのか。

== IP address ==
||Provider|| Primary DNS Server||Secondary DNS Server|| TTL limit ||
||[[../Level3]]||209.244.0.3||209.244.0.4|| 2^31?^ 定期的にクリア？||
||[[../Google]]||8.8.8.8||8.8.4.4||  6H http://code.google.com/intl/ja/speed/public-dns/docs/performance.html  ||
||[[../OpenDNS]]||208.67.222.222||208.67.220.220|| 大きすぎるTTLのレコードはキャッシュされないか||
||[[../DNS Advantage]]||156.154.70.1||156.154.71.1|| 2^31 Fri Jan 01 11:06:13 JST 2016 定期的にクリア？||
||Norton DNS||199.85.126.10||199.85.127.10|| 2^31  Jan 01 11:07:53 JST 2016　定期的にクリア？||
||[[../comodo]]|| 8.26.56.26||8.20.247.20 || 2^31? Dec 31 15:08:25 JST 2015 一部減少中||
|| yandex||77.88.8.8 ||77.88.8.1 || 1日 http://dns.yandex.com/ ||
|| Baido || 180.76.76.76 || 114.114.114.114 || 7日 Thu Dec 31 20:47:39 JST 2015||
||[[../verisign]]||64.6.64.6||64.6.65.6|| 7日||
||SafeDNS||195.46.39.39 ||195.46.39.40||
||dns.watch ||84.200.69.80 || 84.200.70.40||https://dns.watch/index resolver1.dns.watch ||
||GreenTeamDNS||199.85.126.10 || 199.85.127.10||
||OpenNIC || 23.94.60.240 || 128.52.130.209|| XXX ||
||SmartViper|| 208.76.50.50||208.76.51.51|| XXX ||
||Dyn||216.146.35.35||216.146.36.36||
||FreeDNS||37.235.1.174	||37.235.1.177||
||Alternate DNS||198.101.242.72||23.253.163.53||
||Freenom World || 80.80.80.80 ||80.80.81.81||
||UncensoredDNS ||91.239.100.100 ||89.233.43.71||
||easyDNS || 205.210.42.205 || 64.68.200.200||
||Neustar || 156.154.70.1 || 156.154.71.1||

quad1, quad9, quad101 もある。

Level3 は 4.2.2.2などでもアクセスできるらしい。Verizon DNS servers

bestDNSから
{{{
GreenTeamDNS 81.218.119.11 209.88.198.133
OpenNIC 107.150.40.234 50.116.23.211
censurfridns.dk 89.233.43.71 91.239.100.100
Hurricane Electric 74.82.42.42
puntCAT 109.69.8.51
FoeBuD e.V. 85.214.73.63 Deutschland
Cisco Systems 171.70.168.183 USA
Cisco Systems 171.69.2.133 USA
Cisco Systems 128.107.241.185 USA
Cisco Systems 64.102.255.44 USA

}}}
== 参考 ==
[[DNS/リゾルバー/ISP]]