The query log entry reports the client’s IP address and port number, and the query name, class and type. It also reports whether the Recursion Desired flag was set (+ if set, – if not set), if the query was signed (S), EDNS was in use (E), if DO (DNSSEC Ok) was set (D), or if CD (Checking Disabled) was set (C).
client 127.0.0.1#62536: query: www.example.com IN AAAA +SE
client ::1#62537: query: www.example.net IN AAAA -SE