12. The non-transitory processor-readable medium of claim 10 , wherein the ranking of the domain name includes calculating a second rank of the domain name, wherein the calculating of the second rank of the domain name includes: based on the DNS query, obtaining multiple metric values of the domain name, wherein the metric values include a query count (QC), a client count (CC), and a network count (NC); and based on the multiple metric values, generating the second rank of the domain name.
10. The non-transitory processor-readable medium of claim 1 , wherein the one or more predetermined rules include ranking the domain name associated with the DNS query.