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Step 3: Verify that another open resolver can resolve the selected hostname
At the command prompt, run any one of the following commands, where hostname is the name that you were having difficulty resolving:
nslookup hostname 4.2.2.1
nslookup hostname 4.2.2.2
nslookup hostname 208.67.222.222
nslookup hostname 208.67.220.220
(The first two commands test Level 3's DNS servers. The last two commands test OpenDNS' DNS servers.)
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Important: Before you start
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Bjoern StierandWhen you use Google Public DNS, you are changing your DNS "switchboard" operator from your ISP to Google Public DNS.
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- 8.8.4.4
The Google Public DNS IP addresses are as follows:
You can use either number as your primary or secondary DNS server. You can specify both numbers, but do not specify one number as both primary and secondary.
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Google Public DNS IP addresses
The Google Public DNS IP addresses are as follows:
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Juha KrapinojaWhen you use Google Public DNS, you are changing your DNS "switchboard" operator from your ISP to Google Public DNS.
In most cases, the IP addresses used by your ISP's domain name servers are automatically set by your ISP via the Dynamic Host Configurati -
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mazin marjiSetting up google DNS
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shaleesa frampasAs web pages become more complex and include more resources from multiple origin domains, clients need to perform multiple DNS lookups to render a single page. The average Internet user performs hundreds of DNS lookups each day, slowing down his or her browsing experience. As the web continues to grow, greater load is placed on existing DNS infrastructure.\n\nSince Google's search engine already crawls the web on a daily basis and in the process resolves and caches DNS information, we wanted to leverage our technology to experiment with new ways of addressing some of the existing DNS challenges around performance and security. We are offering the service to the public in the hope of achieving the following aims:\n\n * Provide end users with an alternative to their current DNS service. Google Public DNS takes some new approaches that we believe offer more valid results, increased security, and, in most cases, better performance.\n * Help reduce the load on ISPs' DNS servers. By taking advantage of our global data-center and caching infrastructure, we can directly serve large numbers of user requests without having to query other DNS resolvers.\n * Help make the web faster and more secure. We are launching this experimental service to test some new ways to approach DNS-related challenges. We hope to share what we learn with developers of DNS resolvers and the broader web community and get their feedback.\n
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phoenix2lifeWhen you use Google Public DNS, you are changing your DNS "switchboard" operator from your ISP to Google Public DNS.
In most cases, the IP addresses used by your ISP's domain name servers are automatically set by your ISP via the Dynamic Host Configuratigoogle public DNS networking internet tools network free reference
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