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> Which is the best caching dns server? I'm presently using pdns-recursor, |
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> which is quite good, but doesn't have option to set minimum ttl (doesn't |
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> make sense, but some sites like twitter have ridiculously low ttl of 30s). |
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The load balancing technology will be slow to respond if the TTLs are |
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high, so given that responsive load balancing and timely fail over are |
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good things, it does make sense. IIRC the F5 default is 20 seconds. Be |
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careful if you are going to break DNS, there may be consequences |
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you're not aware of. |
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> Also, it isn't able to save cached entries to file so that it can be |
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> restored on next boot. Any option? |
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> |
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> I am keeping my box 24x7 on because it serves as dns on my small home wifi, |
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> not acceptable to me, because network is almost off at night (only phone) |
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> and I have my router as secondary dns. |
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Can you re-phrase that? - its hard to understand what the problem is. |
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