[client] use 1232 byte udp payload size buffer by default #143
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DNS flag day of 2020 addressed optimum DNS message sizes to avoid IP fragmentation and minimize the usage of TCP. The recommendation for DNS software vendors was to "use a default EDNS buffer size" of 1232 bytes. Fixes MiniDNS#142. Reference: https://www.dnsflagday.net/2020/#action-dns-software-vendors Reference: https://blog.cloudflare.com/dns-flag-day-2020/
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DNS flag day of 2020 addressed optimum DNS message sizes to avoid IP fragmentation and minimize the usage of TCP. The recommendation for DNS software vendors was to "use a default EDNS buffer size" of 1232 bytes.
Fixes #142.
Reference: https://www.dnsflagday.net/2020/#action-dns-software-vendors
Reference: https://blog.cloudflare.com/dns-flag-day-2020/