from max-recursion-queries limits.
``max-recursion-queries``
Sets the maximum number of iterative queries that may be sent while
servicing a recursive query. If more queries are sent, the recursive
- query is terminated and returns SERVFAIL. Queries to look up top
- level domains such as "com" and "net" and the DNS root zone are
- exempt from this limitation. The default is 75.
+ query is terminated and returns SERVFAIL. The default is 75.
``notify-delay``
The delay, in seconds, between sending sets of notify messages for a