Lists DNS server known reply codes.
MailBee.NET (in MailBee.NET.dll) Version: 11.2.0 build 590 for .NET 4.5
Public Enumeration DnsReplyCode
No error condition.
Format error - The name server was unable to interpret the query.
Server failure - The name server was unable to process this query
due to a problem with the name server.
Name Error - Meaningful only for responses from an authoritative
name server, this code signifies that the domain name referenced
in the query does not exist.
Not Implemented - The name server does not support the requested kind of query.
Refused - The name server refuses to perform the specified operation
for policy reasons.