How to Check your DNS Server Address on Windows 10? - YouTube
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How To Find Out DNS Server IP Address Used By My Router - nixCraft
How To Find Out DNS Server IP Address Used By My Router - nixCraft
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Root name server - Wikipedia
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Understanding the working of Domain Name System (DNS) – Zindagi Technologies
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Google Public DNS – An alternative to your ISP's DNS service – 4sysops
What Are DNS Servers? | Akamai
How to Find Out What DNS Server Am I Using? - TechWiser
What is a DNS Server and how does it work? - Seobility Wiki
