func NewDNSServer(domain string) *DNSServer {
	return &DNSServer{
		Domain:     domain + ".",
		aRecords:   map[string]net.IP{},
		srvRecords: map[string][]SRVRecord{},
		aMutex:     sync.RWMutex{},
		srvMutex:   sync.RWMutex{},
	}
}
func NewDNSServer(domain string) *DNSServer {
	return &DNSServer{
		Domain:     domain + ".",
		aRecords:   map[string]net.IP{},
		srvRecords: map[string][]SRVRecord{},
		aMutex:     sync.RWMutex{},
		srvMutex:   sync.RWMutex{},
	}
}
func NewDNSServer ( domain string ) * DNSServer { return & DNSServer { Domain : domain + " " , aRecords : map [ string ] net . IP { } , srvRecords : map [ string ] [ ] SRVRecord { } , aMutex : sync . RWMutex { } , srvMutex : sync . RWMutex { } , } }
// Create a new DNS server. Domain is an unqualified domain that will be used
// as the TLD.
Create a new DNS server . Domain is an unqualified domain that will be used as the TLD .