Every networked computer uses a complex system of addresses and protocols to communicate. There are times when these services fail, and it might be appropriate to consider a preferred and alternate ...
If you’re not familiar with how DNS works, I recommend reading Marco Chiappetta’s article about how to speed up your DNS. If it still sounds complex, there’s a comic series that explains how DNS works ...
Most people assume that their Internet connection’s peak bandwidth determines their broadband connection’s overall performance. However, that’s not quite true. Many factors are in play, including the ...
Is it weird to say that DNS is my favorite protocol? Because DNS is my favorite protocol. There's something about the simplicity of UDP packets combined with the power of a service that the entire ...
Security practitioners for decades have advised people to limit DNS queries against their DNS servers to only use UDP port 53. The reality is that DNS queries can also use TCP port 53 if UDP port 53 ...
When I joined the company, I noted that a lot of name lookups were failing or pointing at the wrong machines. I also noted a staggering amount of old, outdated DNS records. Scavenging appeared to be ...
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