NXDOMAINDNS NXDOMAIN — Domain Does Not Exist
The DNS server reports that the domain name does not exist.
CORS: Header not allowedA request header is not included in the Access-Control-Allow-Headers response.
The request includes a custom header (like Authorization, X-Custom-Header) that the server has not listed in Access-Control-Allow-Headers. Only simple headers are allowed by default.
Add the header to Access-Control-Allow-Headers on the server. Example: Access-Control-Allow-Headers: Authorization, Content-Type. List all custom headers your client sends.
NXDOMAINThe DNS server reports that the domain name does not exist.
EHOSTUNREACHThe specific host cannot be reached on the network.
SSL_ERROR_HANDSHAKE_FAILUREThe SSL/TLS handshake between client and server failed.
CORS: Preflight request failedThe CORS preflight OPTIONS request was rejected by the server.
CORS: Credentials mode not supportedA cross-origin request with credentials fails because the server uses a wildcard origin.
AbortError: The operation was abortedA fetch request was cancelled via an AbortController signal.