How much data can be sent in a DNS server response?

The article on Netmeister's blog discusses the issue of DNS message sizes. It addresses key concerns regarding the DNS protocol, which serves as the foundation for Internet communication. The size of DNS messages plays a crucial role, as overly large queries may be rejected by some servers. The author describes various methods for adjusting the size of DNS packets, which is particularly important in the context of internet service efficiency and performance. Another significant point is the issue of DNS packet fragmentation, which can lead to data loss during transmission. In summary, the article emphasizes the importance of maintaining appropriate DNS query sizes for the stability and reliability of the Internet.