Timeline for DNS lookup with MacOS ignores answers from DNS server
Current License: CC BY-SA 3.0
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| Sep 3, 2017 at 10:17 | history | edited | Nick Sillito | CC BY-SA 3.0 |
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| Mar 11, 2017 at 9:39 | comment | added | Nick Sillito | @Spiff Question edited with additional data as requested. Many thanks | |
| Mar 11, 2017 at 9:38 | history | edited | Nick Sillito | CC BY-SA 3.0 |
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| Mar 10, 2017 at 20:51 | comment | added | Spiff |
Now I wonder how your Mac is every learning of the external IP address of njj.chickenkiller.com if the only DNS server you're ever giving it is 192.168.2.4. Is there any chance that server is sometimes giving the external IP address as an answer? What does dns-sd -q njj.chickenkiller.com 255 255 report? (note: you have to Ctrl-C to exit dns-sd otherwise it'll sit forever looking for new answers or changes)
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| Feb 26, 2017 at 9:40 | history | edited | Nick Sillito | CC BY-SA 3.0 |
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| Feb 26, 2017 at 7:03 | comment | added | Nick Sillito | @Spiff Thanks for looking -- I have edited the question for the extra output you requested | |
| Feb 26, 2017 at 7:02 | history | edited | Nick Sillito | CC BY-SA 3.0 |
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| Feb 25, 2017 at 23:21 | comment | added | Spiff |
Please edit your Question to include the output of scutil --dns. That shows the real DNS server landscape your Mac is dealing with. macOS has a sophisticated system of scoped DNS query routing to handle things like VPNs (but not just VPNs). BTW, macOS tries to use DNS servers in the specified order, but if a server fails to give a response within 1 second, it gets put in the penalty box and the next server gets used. So one thing you may need to do is make sure your preferred DNS server is fast and reliable.
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| Feb 25, 2017 at 18:42 | history | edited | Nick Sillito | CC BY-SA 3.0 |
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| Feb 25, 2017 at 17:43 | review | First posts | |||
| Mar 1, 2017 at 8:17 | |||||
| Feb 25, 2017 at 17:42 | history | asked | Nick Sillito | CC BY-SA 3.0 |