Yes, I have multiple domains. All failed with the same error. This has been working for several years. The various problems have arisen since updating to Big Sur.
All Reported errors
Domain: ashtangayogashuswap.com
Type: unauthorized
Detail: Invalid response from
https://ashtangayogashuswap.com/.well-known/acme-challenge/bO-ZA2_98m7n6nplm38mS6_I_fl3KcxgBbFoGynd-UU
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
Domain: www.ashtangayogashuswap.com
Type: unauthorized
Detail: Invalid response from
https://ashtangayogashuswap.com/.well-known/acme-challenge/uB81txwHhgUdJw_zUrbOJ0LmdUB6YgEpQBJOb6tJq30
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
- The following errors were reported by the server:
Domain: gonegourmet.ca
Type: unauthorized
Detail: Invalid response from
http://gonegourmet.ca/.well-known/acme-challenge/XaBLB90vmShI5twqW1ucyXnutOgCIKB5OnEN8ycofeg
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
- The following errors were reported by the server:
Domain: museclothingcompany.com
Type: unauthorized
Detail: Invalid response from
http://museclothingcompany.com/.well-known/acme-challenge/MBjgOOtnl2sZteeAZTJyxyrmg4_gzXGbrEiXRqXZ55A
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
Domain: www.museclothingcompany.com
Type: unauthorized
Detail: Invalid response from
https://ashtangayogashuswap.com/.well-known/acme-challenge/pdnfiaskzItjYOkWdzfYit4rQvCU-i_IvubKZ122cHk
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
- The following errors were reported by the server:
Domain: mylibraries.online
Type: unauthorized
Detail: Invalid response from
http://mylibraries.online/.well-known/acme-challenge/ZKmdF7UXbG_gzBVJT-IcaJvgkhEMDs1L8Fy7npVkgrM
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
Domain: www.mylibraries.online
Type: unauthorized
Detail: Invalid response from
https://ashtangayogashuswap.com/.well-known/acme-challenge/nERwig-0y1MagXopdETVPZPrHt2bZqkBkcDeNmSBUzg
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
- The following errors were reported by the server:
Domain: s-sac.com
Type: unauthorized
Detail: Invalid response from
http://s-sac.com/.well-known/acme-challenge/mP9pOVZ2L9wFS2Q-w7LxQLTx27ddIrqdVHpw1atRgAg
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
Domain: www.s-sac.com
Type: unauthorized
Detail: Invalid response from
https://ashtangayogashuswap.com/.well-known/acme-challenge/1ulJwbRXmZrkx0v_5uWyM8y5kbdlz3qxjNHxcleUqPk
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
- The following errors were reported by the server:
Domain: simfx.com
Type: unauthorized
Detail: Invalid response from
http://simfx.com/.well-known/acme-challenge/zfZu68U_X9t5nMb4RR8lre3q7NmW6CxoHhCJ5ROPBxQ
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
Domain: www.simfx.com
Type: unauthorized
Detail: Invalid response from
https://ashtangayogashuswap.com/.well-known/acme-challenge/nWjnahB-bmpfnLmusTTyNyUjBoUu7lfiOyVRPgmsGp4
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
- The following errors were reported by the server:
Domain: wisdomquest.com
Type: unauthorized
Detail: Invalid response from
http://wisdomquest.com/.well-known/acme-challenge/2Dl4TEUnAlWDcpVBewXiJqTg5XPX2W6S8QKMuL2IEHs
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
Domain: www.wisdomquest.com
Type: unauthorized
Detail: Invalid response from
http://www.wisdomquest.com/.well-known/acme-challenge/XivS3CutMAJdgTA7za6h4JbKTKnhrQakuWwWS4t183E
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
- The following errors were reported by the server:
Domain: www.schoollibraries.net
Type: unauthorized
Detail: Invalid response from
https://ashtangayogashuswap.com/.well-known/acme-challenge/1irm9EAiumHCmcqV0vHQ3P4HRp5LrOuqhYZhve1iSrw
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
Domain: schoollibraries.net
Type: unauthorized
Detail: Invalid response from
http://schoollibraries.net/.well-known/acme-challenge/2dS_8t8KC1btp0gc_OoRj58n35ASzoxQzrPGQXVJrD4
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
- The following errors were reported by the server:
Domain: www.websonarlibraries.net
Type: unauthorized
Detail: Invalid response from
https://ashtangayogashuswap.com/.well-known/acme-challenge/gf4Qwuzzv3k7OhCiqSiuxI1CaH8e5C2bDztdnvEbeYk
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
Domain: websonarlibraries.net
Type: unauthorized
Detail: Invalid response from
http://websonarlibraries.net/.well-known/acme-challenge/gPP3ibVRY5_yjk-rKGXgrfULlChCA2kJuFh481xYwxE
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
- The following errors were reported by the server:
Domain: www.wildwoodproductions.org
Type: unauthorized
Detail: Invalid response from
https://ashtangayogashuswap.com/.well-known/acme-challenge/Uz6eYjnx1iJSyYIBh8J2WLL9jWz1fAlQPX0TiUIXMuQ
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
Domain: wildwoodproductions.org
Type: unauthorized
Detail: Invalid response from
http://wildwoodproductions.org/.well-known/acme-challenge/uS2Dm9J-ZPVigBk_HqIeMv3S85spl39PVdlnoP7TvA4
[199.195.144.56]: "\n\n404 Not
Found\n\n
Not Found
\n<p"
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
static:~ Duane$