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.

Date of Patent:
Aug. 06, 2019

Filed:

Dec. 31, 2015
Applicant:

Verisign, Inc., Reston, VA (US);

Inventors:

Arash Molavi Kakhki, Boston, MA (US);

Andrew West, Reston, VA (US);

Nipun Jawalkar, Fribourg, CH;

Vincenzo Russo, Belp, CH;

Assignee:

VERISIGN, INC., Reston, VA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/12 (2006.01);
U.S. Cl.
CPC ...
H04L 61/3005 (2013.01); H04L 61/1511 (2013.01); H04L 61/302 (2013.01); H04L 61/3025 (2013.01);
Abstract

Systems and method for detecting domain name system (DNS) registrar collusion include a collusion detector at a registry. The collusion detector obtains information related to name acquisition requests submitted by DNS registrars attempting to acquire domain names in a drop pool of expired domain names and provides attempt sets containing the domain names targeted by the DNS registrars for acquisition. Each attempt set contains at least one targeted domain name that a respective DNS registrar attempted to acquire via at least one name acquisition request. The collusion detector determines a degree of similarity between two or more attempt sets corresponding to a pair of the DNS registrars, estimates a likelihood of collusion between the pair of DNS registrars based on the degree of similarity, and performs any mitigation action warranted by the likelihood of collusion.


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