rfc9619v2.txt   rfc9619.txt 
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7. References 7. References
7.1. Normative References 7.1. Normative References
7.2. Informative References 7.2. Informative References
Appendix A. Guidance for the Use of QDCOUNT in the DNS Appendix A. Guidance for the Use of QDCOUNT in the DNS
Specification Specification
A.1. OPCODE = 0 (QUERY) and 1 (IQUERY) A.1. OPCODE = 0 (QUERY) and 1 (IQUERY)
A.2. OPCODE = 4 (NOTIFY) A.2. OPCODE = 4 (NOTIFY)
A.3. OPCODE = 5 (UPDATE) A.3. OPCODE = 5 (UPDATE)
A.4. OPCODE = 6 (DNS Stateful Operations, DSO) A.4. OPCODE = 6 (DNS Stateful Operations, DSO)
A.5. Conclusion A.5. Conclusion
Acknowledgements Acknowledgements
Authors' Addresses Authors' Addresses
1. Introduction 1. Introduction
The DNS protocol [RFC1034] [RFC1035] includes a parameter QDCOUNT in The DNS protocol [RFC1034] [RFC1035] includes a parameter QDCOUNT in
the DNS message header whose value is specified to mean the number of the DNS message header whose value is specified to mean the number of
questions in the Question section of a DNS message. questions in the Question section of a DNS message.
In a general sense, it seems perfectly plausible for the QDCOUNT In a general sense, it seems perfectly plausible for the QDCOUNT
parameter, an unsigned 16-bit value, to take a considerable range of parameter, an unsigned 16-bit value, to take a considerable range of
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