Quote:
Originally Posted by troypiggo
Thought it could be a DNS issue. Works on my iPhone but not on MacBook, same network.
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That doesn't mean they use the same DNS algorithm. I run DNS on one of my Linux boxes and it caches replies for the rest of the network. All requests go to the appropriate authoritative nameserver (not my ISP). BIND round robins requests so after no more than 3 attempts ASCOM will work, until the cache times out when it will go back to hunting again.
Windows, being the brain dead thing it is, doesn't round robin, so it will repeat the same broken request repeatedly. MacOS, being essentially BSD, probably should round robin, but you'd need a Mac guru to confirm that. Maybe the iPhone sent its query to a different nameserver to the Mac.
If you are allowing your ISP to provide the DNS all bets are off.