.BIZ Registry Agreement
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Amendment No. 4 to the .BIZ Registry Agreement

27 April 2010


ICANN and Neustar, Inc. agree that the following modifications are made to the .BIZ Registry Agreement dated 8 December 2006:

I. The Parties agree to the following modifications to Section 3.1(c)(i) Agreement:

[old text]

3.1 (c)(i)  Data Escrow. Registry Operator shall establish at its expense a data escrow or mirror site policy for the Registry Data compiled by Registry Operator. Registry Data, as used in this Agreement, shall mean the following: (1) data for domains sponsored by all registrars, consisting of domain name, server name for each nameserver, registrar id, updated date, creation date, expiration date, status information, and DNSSEC related key material (if Registry Operator implements DNSSEC); (2) data for nameservers sponsored by all registrars consisting of server name, each IP address, registrar id, updated date, creation date, expiration date, and status information; (3) data for registrars sponsoring registered domains and nameservers, consisting of registrar id, registrar address, registrar telephone number, registrar e-mail address, whois server, referral URL, updated date and the name, telephone number, and e-mail address of all the registrar's administrative, billing, and technical contacts; (4) domain name registrant data collected by the Registry Operator from registrars as part of or following registration of a domain name; and (5) the DNSSEC-related material necessary to sign the .biz zone (e.g., public and private portions of .biz zone key-signing keys and zone-signing keys)(if Registry Operator implements DNSSEC). The escrow agent or mirror-site manager, and the obligations thereof, shall be mutually agreed upon by ICANN and Registry Operator on commercially reasonable standards that are technically and practically sufficient to allow a successor registry operator to assume management of the TLD. To this end, Registry Operator shall periodically deposit into escrow all Registry Data on a schedule (not more frequently than weekly for a complete set of Registry Data, and daily for incremental updates) and in an electronic format mutually approved from time to time by Registry Operator and ICANN, such approval not to be unreasonably withheld by either party. In addition, Registry Operator will deposit into escrow that data collected from registrars as part of offering Registry Services introduced after the Effective Date of this Agreement. The schedule, content, format, and procedure for escrow deposits shall be as reasonably established by ICANN from time to time, and as set forth in Appendix 1 hereto. Changes to the schedule, content, format, and procedure may be made only with the mutual written consent of ICANN and Registry Operator (which neither party shall unreasonably withhold) or through the establishment of a Consensus Policy as outlined in Section 3.1(b) above. The escrow shall be held under an agreement, substantially in the form of Appendix 2, as the same may be revised from time to time, among ICANN, Registry Operator, and the escrow agent.

[New Text]

3.1 (c)(i)  Data Escrow. Registry Operator shall establish at its expense a data escrow or mirror site policy for the Registry Data compiled by Registry Operator. Registry Data, as used in this Agreement, shall mean the following: (1) data for domains sponsored by all registrars, consisting of domain name, server name for each nameserver, registrar id, updated date, creation date, expiration date, status information, and DNSSEC DS data (if Registry Operator implements DNSSEC); (2) data for nameservers sponsored by all registrars consisting of server name, each IP address, registrar id, updated date, creation date, expiration date, and status information; (3) data for registrars sponsoring registered domains and nameservers, consisting of registrar id, registrar address, registrar telephone number, registrar e-mail address, whois server, referral URL, updated date and the name, telephone number, and e-mail address of all the registrar's administrative, billing, and technical contacts; and (4) domain name registrant data collected by the Registry Operator from registrars as part of or following registration of a domain name. The escrow agent or mirror-site manager, and the obligations thereof, shall be mutually agreed upon by ICANN and Registry Operator on commercially reasonable standards that are technically and practically sufficient to allow a successor registry operator to assume management of the TLD. To this end, Registry Operator shall periodically deposit into escrow all Registry Data on a schedule (not more frequently than weekly for a complete set of Registry Data, and daily for incremental updates) and in an electronic format mutually approved from time to time by Registry Operator and ICANN, such approval not to be unreasonably withheld by either party. In addition, Registry Operator will deposit into escrow that data collected from registrars as part of offering Registry Services introduced after the Effective Date of this Agreement. The schedule, content, format, and procedure for escrow deposits shall be as reasonably established by ICANN from time to time, and as set forth in Appendix 1 hereto. Changes to the schedule, content, format, and procedure may be made only with the mutual written consent of ICANN and Registry Operator (which neither party shall unreasonably withhold) or through the establishment of a Consensus Policy as outlined in Section 3.1(b) above. The escrow shall be held under an agreement, substantially in the form of Appendix 2, as the same may be revised from time to time, among ICANN, Registry Operator, and the escrow agent.

II. The Parties agree that Appendix 1 to the Agreement is hereby deleted in its entirety and replaced with a new Appendix 1, in the form attached hereto.

The parties have duly executed this Amendment as of the date first written below.

THE INTERNET CORPORATION FOR
ASSIGNED NAMES AND NUMBERS

NEUSTAR, INC.

By:_______________________________

By:_______________________________

Name: Kurt Pritz

Name:

Title: Senior Vice President, Services

Title:

Date:_____________________________

Date:_____________________________