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by lowbloodsugar 1794 days ago
So many sites being reported as down, but change your DNS to something else (e.g. Google 8.8.8.8 and 8.8.4.4) and, after flushing your DNS cache, the sites are available. I was unable to get to ups.com or newegg.com (why yes, I am expecting a new toy), but after switching DNS and flushing DNS cache, I was able to get to both.

Specifically, 1.1.1.1 provided bad addresses (as opposed to no addresses), and removing 1.1.1.1 fixed my problem. By then it had returned a bunch of bad addresses and I had to flush my DNS cache.

1 comments

Could you give an example of what you mean by a "bad address" in this context?
This is from the time of incident:

Server: 1.1.1.1 Address: 1.1.1.1#53

Non-authoritative answer: Name: newegg.com Address: 23.35.185.6

vs

Server: 8.8.8.8 Address: 8.8.8.8#53

Non-authoritative answer: Name: newegg.com Address: 104.80.92.252

104.80.92.252 is newegg.com

23.35.185.6 is a server that provides an error message.

So 1.1.1.1 lied. The proper response would be to reply "I don't recognize that domain". Instead it said, "yeah, I know that, its here..."

Newegg was not down, and when I got macos to forget what it had cached from 1.1.1.1 I was able to use newegg.com fine.