This error is a WinSock error that is being returned by the system socket.

According to the MSDN list of WinSock Error Codes

WSANO_DATA 11004 The requested name is valid and was found in the database, but it does not have the correct associated data being resolved for. The usual example for this is a host name-to-ddress ranslation attempt (using gethostbyname or WSAAsyncGetHostByName) which uses the DNS (Domain Name Server). An MX record is returned but no A record-indicating the host itself exists, but is not irectly reachable.

MSDN Windows Sockets Error Codes

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