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19 hours ago comment added xref Running into this as well, some machines have mDNSResponder running, some don't. Some on 15.0, some on 15.1.1. Loading/unloading mDNS fails with an input/output error as in the OP on boxes where it isn't already running. Also when using curl to try and reach one of the failing domains it reports failed: Bad file descriptor
Dec 14 at 21:38 comment added bmike I’m with @LincDavis if ICMP echo and TCP traffic on port 22/80/443 is blocked on the local network and work outside your router, you don’t have a DNS problem even though the truism is “it’s always DNS”. How are you managing and enabling local network access which is blocked out of the box on macOS Sequoia?
Dec 14 at 20:51 history edited nohillside CC BY-SA 4.0
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Dec 14 at 20:51 comment added nohillside A good question title helps to get attention and answers.
Dec 14 at 20:14 answer added luckman212 timeline score: 1
Dec 14 at 19:25 history edited h4ckNinja CC BY-SA 4.0
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Dec 14 at 19:23 history rollback h4ckNinja
Rollback to Revision 2
Dec 14 at 19:22 history edited h4ckNinja CC BY-SA 4.0
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Dec 13 at 18:25 history edited bmike CC BY-SA 4.0
Answers belong in an answer
Dec 13 at 18:10 history edited Giacomo1968 CC BY-SA 4.0
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Dec 13 at 15:29 comment added da4 You should update to the latest version of Sequoia, 15.2. The What's New kbase indicates a fix for DNS resolution when the built-in firewall is enabled; community discussion suggests other fixes were also included, just not mentioned in the release notes.
Dec 13 at 11:22 history became hot network question
Dec 13 at 9:54 history edited nohillside
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Dec 13 at 6:40 comment added nohillside How did you define the DNS servers in Settings? Can you add a screenshot?
Dec 13 at 4:56 answer added h4ckNinja timeline score: 0
Dec 13 at 4:50 history edited h4ckNinja CC BY-SA 4.0
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Dec 13 at 4:04 review Close votes
Dec 13 at 6:40
Dec 13 at 3:42 comment added Linc Davis This question is similar to: No route to host on iterm2 only. If you believe it’s different, please edit the question, make it clear how it’s different and/or how the answers on that question are not helpful for your problem.
S Dec 13 at 3:22 review First questions
Dec 13 at 8:50
S Dec 13 at 3:22 history asked h4ckNinja CC BY-SA 4.0