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NAMEbufsize - sizes EDNS0 buffer size to prevent IP fragmentation. DESCRIPTIONbufsize limits a requester's UDP payload size. It prevents IP fragmentation, mitigating certain DNS vulnerabilities. SYNTAXbufsize [SIZE] [SIZE] is an int value for setting the buffer size. The default value is 512, and the value must be within 512 - 4096. Only one argument is acceptable, and it covers both IPv4 and IPv6. EXAMPLESEnable limiting the buffer size of outgoing query to the resolver (172.31.0.10): . { Enable limiting the buffer size as an authoritative nameserver: . { CONSIDERATIONS
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