On Sunday, 6 March 2022 17:31:55 GMT Rich Freeman wrote: > On Sun, Mar 6, 2022 at 12:20 PM John Covici <cov...@ccs.covici.com> wrote: > > OK, I discovered that if I add 8.8.8.8 to my resolv.conf, > > www.youtube.com becomes accessible. I would like not to have either > > google or cloudflare in there, if I can avoid them -- they were > > blocking some places I wanted to go to with a 521 error code. So, the > > mystery deepens. > > Actually, it got a lot simpler. You ruled out host, nsswitch, etc > issues. This is just a DNS server issue. Run: > dig www.youtube.com @8.8.8.8 > dig www.youtube.com @127.0.0.1 > dig www.youtube.com @198.7.0.5 > > All three should resolve something reasonable (it is ok if they don't > resolve the same - load balancing/etc can result in that). If any > fail to resolve then that DNS server has issues. At that point you > need to check the config on that DNS server.
BTW, blocking cloudfare's servers doesn't stop access to youtube.
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