ruby / ruby/resolv

Resolv caching

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Dominant language
Ruby
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Forks
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Avg merge
2h 38m
Merged PRs (30d)
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Description

I was hoping someone could help explain an issue that I'm experiencing. I have multiple servers that seem to be caching an ip address that no longer exists. Here is the irb below

image

The addresses ending in 117 no longer exist and any others are fine. It's important to note that i've changed all ip addresses, nameservers, and other information to ensure it's not visible where this is from.

could someone help explain how resolv caches and how is that cleared? This is running ruby 2.6.3

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Research direction

The report provides an IRB example and identifies Ruby 2.6.3, but names no repository file, test, or entry point. Start by reviewing the reported resolver-caching behavior and reproducing it with the supplied context; the issue is not complete until the caching behavior and clearing mechanism are explained or a specific defect is isolated.

Written by the indexing model from the issue text.

Assessment

Tech stack
ruby
Domain
networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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