2018-06-01T03:29:26Z kzstock Public DNS Cloudflare/ Google/
Scrap 2nd.

Public DNS Cloudflare/ Google/


Public DNS service

Public DNS service Cloudflare ( which says the fastest in the world started service and set it as my personal computer. Since it seems that there are fewer users than Google Public DNS it may be out of now ('ω')

Setting information

Setting information
DNS1 / IPv48.
DNS2 / IPv48.
DNS1 / IPv62001: 4860: 4860 :: 88882606: 4700: 4700 :: 1111
DNS2 / IPv62001: 4860: 4860 :: 88442606: 4700: 4700 :: 1001

Setup steps

This is the procedure for configuring Cloudflare DNS for wireless network connection.

Win10> Start menu Right click> Settings> Network and Internet> Change adapter options> Double click on wireless network connection> click properties

Internet Protocol Version 4 (TCP / IPv4)> Properties

Leave the IP address as DHCP, change only DNS.

Internet Protocol Version 6 (TCP / IPv6)> Properties

Leave the IP address as DHCP, change only DNS.
Since IPv6 DNS settings were used in my environment, we recommend setting IPv6 as well.

DNS check

To check if it has switched to the changed DNS Start Windows PowerShell or Command Prompt and use nslookup.

Google Public DNS

PS C: \ WINDOWS \ system32> nslookup
Default server: google-public-dns-a.google.com
Address: 2001: 4860: 4860 :: 8888


PS C: \ WINDOWS \ system32> nslookup
Default server: 1dot1dot1dot1.cloudflare-dns.com
Address: 2606: 4700: 4700 :: 1111

How can I prioritize IPv4 DNS address?

In my environment (NTT FLET'S), TCP / IPv6 DNS settings were used when resolving names. In order to prioritize the DNS setting of TCP / IPv4, go to "DNS setting screen IPv4 and IPv6" detailed setting, uncheck the automatic metric and specify the value of the interface metric.

Smaller values ​​take precedence.
  1. Set the IPv4 interface metric to 100
  2. Set the IPv6 interface metric to 200
  3. end



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