dnscache

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Ttl cache from DNS server

6

Hi! Reading about the possibility to add caching capabilities to nodejs DNS module (which it seems it's not going to happen), there's a comment in this thread with a warning...

PaquitoSoft

still mantained?

2

Can you add mantainers to solve pending issues/pr?

roccomuso

https://github.com/yahoo/dnscache/pull/10 Swapped out a [custom `deepCopy` with `lodash.clone`](https://github.com/yahoo/dnscache/commit/def902cb56963488d56824e58479082aca6ca5eb#diff-6d186b954a58d5bb740f73d84fe39073R8), however, `lodash.clone` is only a shallow clone. I think [`lodash.deepClone`](https://lodash.com/docs/4.17.11#cloneDeep) was the intent, although there are [better options](https://github.com/ahmadnassri/benchmark-node-clone) when LoDash isn't already...

mastermatt

this test fails: ``` it('should error on invalid reverse lookup', function(done) { dns.reverse('1.1.1.1', function(err) { assert.ok((err instanceof Error)); done(); }); }); ``` with: ``` Uncaught AssertionError [ERR_ASSERTION]: false == true...

simevo

fix #25

1

use 0.42.42.42 as invalid IP address as per https://stackoverflow.com/a/10456069

simevo

Unable to clear cache

2

Let's say I cache all the results for an hour. What would happen if you get a bad hostname that the library is not able to resolve for a minute...

mirajshah05

add keepalive option

5

Unlike `ttl`, if cached item expired by `keepalive`, it return the cached value, and make asynchronously dns request for update the cache.

tangxinfa

Allow to filter which entries to cache

2

I'm looking for a way to only cache names for a given domain. So I'm thinking having a filter option that takes a regular expression for example, if one wants...

dcolens

support refresh cache perodicly

3

The dns server of our data center is unstable, so i use dnscache to fix it, and it works most of the time, but when cache expired and dns server...

tangxinfa