Add DNS resolution caching using dnscache.Resolver{} #9
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…n to use in httpclient
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This PR adds functionality to cache DNS resolutions using the dnscache package. The goal is to improve DNS resolution performance by avoiding repeated lookups for addresses that have already been resolved.
Main changes:
Motivation:
By introducing this feature, we aim to reduce the time spent on frequent DNS lookups, especially in high-load scenarios where multiple resolutions for the same domain are needed. Using dnscache, we expect to optimize the performance of HTTP requests by ensuring the cache is properly used for DNS resolutions.