| 接口 | 说明 | 
|---|---|
| DnsMessage | The superclass which contains core information concerning a  DnsQueryand aDnsResponse. | 
| DnsOptEcsRecord | An ECS record as defined in Client Subnet in DNS Queries. | 
| DnsOptPseudoRecord | An OPT RR record. | 
| DnsPtrRecord | |
| DnsQuery | A DNS query message. | 
| DnsQuestion | A DNS question. | 
| DnsRawRecord | A generic  DnsRecordthat contains an undecodedRDATA. | 
| DnsRecord | A DNS resource record. | 
| DnsRecordDecoder | Decodes a DNS record into its object representation. | 
| DnsRecordEncoder | Encodes a  DnsRecordinto binary representation. | 
| DnsResponse | A DNS response message. | 
| 枚举 | 说明 | 
|---|---|
| DnsSection | Represents a section of a  DnsMessage. |