8. The distributed computer system implemented method of claim 1 , wherein the classifying further comprises classifying the extracted identifiers within a hierarchical structure in which the parent identifier is a top level domain and the child identifiers are base domains, sub-domains, or paths.
8. The distributed computer system implemented method of claim 1 , wherein the classifying further comprises classifying the extracted identifiers within a hierarchical structure in which the parent identifier is a top level domain and the child identifiers are base domains, sub-domains, or paths. 10. The distributed computer system implemented method of claim 8 , wherein the hierarchical structure is a tree.