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DNS needing to be resolved twice for same host?
06-26-2013, 01:49 PM
Post: #1
DNS needing to be resolved twice for same host?
On request #2 and #37, the same asset host seems to be firing off two dns requests. Does that make any sense?

http://www.webpagetest.org/result/130619...9/details/
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06-28-2013, 12:46 AM
Post: #2
RE: DNS needing to be resolved twice for same host?
It doesn't make any sense to me unless you've tripped over a browser or instrumentation bug. I recommend capturing a tcpdump (advanced settings) and verifying that the requests are actually being issued and then see if there is anything in the responses that might trigger it (like a really short TTL).
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