Option Name:dns_children
Replaces:
Requires:--disable-internal-dns
Default Value:dns_children 5
Suggested Config:

	The number of processes spawn to service DNS name lookups.
	For heavily loaded caches on large servers, you should
	probably increase this value to at least 10.  The maximum
	is 32.  The default is 5.

	You must have at least one dnsserver process.