> UDP connections that are more typically used for DNS have a limit of about 1500 bytes in length. UDP datagrams can be up to 64K using IP fragmentation, but t

> UDP connections that are more typically used for DNS have a limit of about 1500 bytes in length. UDP datagrams can be up to 64K using IP fragmentation, but the original DNS protocol limits UDP payload sizes to 512 bytes. Using EDNS, payloads may be as much as 4096 bytes.