The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 10, 2020
Filed:
May. 29, 2018
Neustar, Inc., Sterling, VA (US);
Rodney Lance Joffe, Tempe, AZ (US);
Victor Joseph Oppleman, Virginia Beach, VA (US);
David Link King, Cave Creek, AZ (US);
Brett Dean Watson, Scottsdale, AZ (US);
Andrew Jackson, Sterling, VA (US);
Sean Leach, Castle Pines, CO (US);
Neustar, Inc., Sterling, VA (US);
Abstract
A method and system for authenticating answers to Domain Name System (DNS) queries originating from recursive DNS servers provided. A verification component provides a versification that a DNS query originated from the recursive DNS server. An authoritative DNS server receives the query via a network, such as the Internet, provides an answer to the query to an authentication component. The authentication component then provides an authentication such as a digital signature, which confirms that the received answer was provided by the authoritative DNS server, and then communicates the answer and the authentication to the verification component via the network. The verification component then verifies that the authentication corresponds to the receive answer and sends the answer to the recursive DNS server. When the verification component receives an answer in the absence of a corresponding authentication the verification component drops the answer.