I've been using mqtt and Node RED to update my weather station data to Weather Underground.
It was working well until yesterday when I started getting the following error from the http request node:
"Error [ERR_TLS_CERT_ALTNAME_INVALID]: Hostname/IP does not match certificate's altnames: Host: rtupdate.wunderground.com. is not in the cert's altnames: DNS:*.prod-pws-ng-546567-997b58a668d15d562a6bed58ea7c5f9e-0000.us-south.containers.appdomain.cloud, DNS:prod-pws-ng-546567-997b58a668d15d562a6bed58ea7c5f9e-0000.us-south.containers.appdomain.cloud, DNS:prod-pws-ng-546567.us-south.containers.appdomain.cloud"
Raspbian GNU/Linux 10 (buster)
Node RED v1.0.3
Does anyone know what might be causing this error?