Patent ID: 7808925
Filing Date: 2010-10-05
Classification: H04L

Abstract:
1. A method for determining reverse DNS entries for IP addresses, comprising: identifying, by a server, a first group of consecutive IP addresses, respective IP addresses in the first group of consecutive IP addresses having a reverse DNS entry associated therewith; determining a first configured IP address in the first group, wherein the reverse DNS entry associated with the first configured IP address contains an associated first domain name; determining a second configured IP address following the first configured IP address in the first group, wherein the reverse DNS entry associated with the second configured IP address contains an associated second domain name, said second domain name different than the first domain name; determining an ending IP address in the first group, said ending IP address comprising a non-configured IP address immediately preceding the second configured IP address, wherein the reverse DNS entry associated with the non-configured IP address does not contain a domain name; and filling, with the first domain name, the reverse DNS entry associated with each of one or more consecutive IP addresses of the first group of consecutive IP addresses beginning with an IP address immediately after the first configured IP address and ending with and including the ending IP address.