DNS

What is DNS caching?

What is DNS caching?

A caching-only DNS server is one that is not authoritative for any DNS domains. It’s configured to perform recursion or use a forwarder. When the caching-only DNS server receives a response, it caches the result and returns the answer to the system issuing the DNS query to the caching-only DNS server. Over time, the caching-only DNS server can amass a large cache of DNS responses, which can significantly improve DNS response times for DNS clients of that caching-only DNS server.

Caching-only DNS servers can improve security for your organization when used as forwarders that are under your administrative control. Internal DNS servers can be configured to use the caching-only DNS server as their forwarders and the caching-only DNS server performs recursion on behalf of your internal DNS servers. Using your own caching-only DNS servers as forwarders improves security because you don’t have to depend on your ISP’s DNS servers as forwarders when you’re unsure of the security configuration of your ISP’s DNS servers.

So, that’s all in this blog. I will meet you soon with some other stuff. Have a nice day !!!

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Vipan Kumar

He is an Active Directory Engineer. He has been working in IT industry for more than 10 years. He is dedicated and enthusiastic information technology expert who always ready to resolve any technical problem. If you guys need any further help on subject matters, feel free to contact us on admin@windowstechno.com Please subscribe our Facebook page as well website for latest article. https://www.facebook.com/windowstechno
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