Error "NXDOMAIN» (Name error, DNS_PROBE_FINISHED_NXDOMAIN,RFC 2308) indicates the lack of domain data on the side DNS... This error can most often occur in the following cases:
ServerHoldor similar, during which it does not work.
This error may indicate that the domain does not exist, or the target domain to which the CNAME record is directed does not exist. For example, if the registered domain
domain.com has a CNAME record pointing to
domain.shop, which is not registered, then when you switch to
domain.com this error will be displayed.
It is important to consider that such an error may occur for some time for only a registered or renewed domain, while information about it not updated on the side DNS.
If the domain is registered and works correctly, then you can try to eliminate this error using the methods described in this instructions.