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by Justin Wilsonj2
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resolver

DNS in ISP networks and why you should care

March 14, 2026February 6, 2022 by j2sw

If you are not familiar with how DNS works, please go and read this article and watch the accompanying video. In this article we will talk about the different types of DNS servers an ISP will encounter and the design considerations of implementing them into your network. Let’s jump into the three types. Cache servers … Read more

Categories Network Operations Tags dns, nameserver, resolver, root

Using 8.8.8.8 or local resolvers for ISPs

March 15, 2026December 31, 2019 by j2sw

ISPs should not be using external resolvers such as google’s 8.8.8.8 to do resolving for their customers

Categories Network Operations Tags 8.8.8.8, dns, isp, resolver

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