Exception raised to indicate TIdDNSResolver errors.

EIdDnsResolverError = class(EIdException)

EIdDnsResolverError is an EIdException descendant that represents a generic exception type raised when TIdDNSResolver encounters an error during resolving a DNS query or processing a DNS response. EIdDnsResolverError will be created with Message values that indicate the nature or specifics of the error encountered.