1. A homoglyph monitoring system comprising: an attack vector string matching module executed by at least one processor to determine potential attack vector strings for a target domain name, wherein each potential attack vector string includes a different homoglyph of a character in the target domain name; and a domain name system (DNS) analyzer module to facilitate searching DNS servers in a target geographic region based on the potential attack vector strings and determine from results of the searching whether a DNS record in the results includes one of the potential attack vector strings.