DNS: Domain Name System

https://en.m.wikipedia.org/wiki/Domain_Name_System

Server API

enum dnsserver::DnsReplyCode

Values:

NoError = 0

FormError = 1

ServerFailure = 2

NonExistentDomain = 3

NotImplemented = 4

Refused = 5

YXDomain = 6

YXRRSet = 7

NXRRSet = 8

typedef DnsServer DNSServer

DNS_QR_QUERY

DNS_QR_RESPONSE

DNS_OPCODE_QUERY