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Here’s a hint as to what’s wrong with system-level networking services on macOS 15.1: Safari has inconsistent DNSSEC signature problems, while Chrome and Firefox (which use their own networking engines) do not. Every query has a different subset of signature problems.

I think I'm too rusty on cryptography implementation to meaningfully debug this further; here's hoping Apple patches this soon.

@waldoj I found a bug where my Yubikey doesnt work and boy was that a fun heart attack when trying to access my retirement accounts this morning. They really phoned it in on these releases.

@waldoj 30 seconds sounds like DNS timeout. Maybe do a “scutil --dns” and see if anything looks off?

I’ve just started my upgrade on my MacBook Air m3

@sfrazer434 I had the same theory last night, but I had no trouble running DNS lookups while Safari was unresponsive. That said, it could still be DNS (it’s almost always DNS!), but within Safari.

@waldoj interesting. I may not actually encounter the problem, then. I don’t use Safari all that regularly on mine.

Just in case, though, I’m keeping my work machine on 14.7 for a bit longer 😄

@waldoj Running any network filters, security malware, VPN things, content blockers, etc?

Does the behavior replicate on a fresh user account?

@atlauren Oh, sure, I’m running all kinds of things like that, and now that I’ve learned others are also seeing this, I’ll start down that debugging path this evening.

@waldoj My impression is DNSSEC is widely considered a failure.

@waldoj are the only remote URLs that fail to load for domains that have DNSSEC?

@feld Oooh, that’s a fine point. I will test that.

@waldoj I haven't observed any issues yet but I also intentionally have DNSSEC disabled by my local DNS recursor