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Verisign Cooperative Agreement

VeriSign manages the authoritative root zone file under the Cooperative Agreement No. NCR 92-18742 with the United States Government.  VeriSign's responsibilities include editing the file to reflect recommended changes, publishing the file, and then distributing the file to the root server operators. 

Amendments

Amendment 10 (October 1, 1998)
Amendment 11 (October 6, 1998)
        • ICANN designated as "NewCo" for certain purposes under the Cooperative Agreement (as pertains to Amendment 11) (February 26, 1999)
Amendment 12 (March 12, 1999)
Amendment 13 (April, 1999)
Amendment 14 (June 30, 1999)
Amendment 15 (July 15, 1999)
Amendment 16 (August 10, 1999)
        • Domain Name Agreements between the U.S. Department of Commerce, Network Solutions, Inc., and the Internet Corporation for Assigned Names and Numbers (ICANN) (September 28, 1999)
        • Domain Name Agreements Fact Sheet (September 28, 1999)
Amendment 17 (October 5, 1999)
Amendment 18 (October 5, 1999)
Amendment 19 (November 10, 1999)
Amendment 20 (June 2, 2000)
Amendment 21 (November 2, 2000)
Amendment 22 (April 24, 2001)
Amendment 23 (May 9, 2001)
        • Commerce, ICANN AND Verisign Agreement in Principle (May 5, 2001)
Amendment 24 (May 25, 2001)
Amendment 25 (September 12, 2002)
Amendment 26 (June 9, 2003)
Amendment 27 (July 1, 2003)
Amendment 28 (October 26, 2003)
Amendment 29 (August 12, 2005)
Amendment 30 (November 29, 2006)
        • Fact Sheet
Amendment 31 (July 6, 2010)
        • Testing and Implementation Requirements for the Initial Deployment of DNSSEC in the Authoritative Root Zone (October 29, 2009)
       •  DNSSEC Practice Statement for the Root Zone ZSK operator (May 28, 2010)
Amendment 32 (November 29, 2012)
Verisign/ICANN Proposal in Response to NTIA Request (August 2015)
Amendment 33 (October 20, 2016)
Amendment 34 (October 20, 2016)
Amendment 35 (October 26, 2018)