delete: <p class=" "> This document describes the policy for reverse delegation of IPv4 and IPv6 address space in the RIPE NCC service region. delete: </p> delete: <h3> Contents delete: </h3> delete: <p> delete: <a class="anchor-link" href="#definition"> 1.0 Definition delete: </a> delete: </p> delete: <p> delete: <a class="anchor-link" href="#introduction"> 2.0 Introduction delete: </a> delete: </p> delete: <p> delete: <a class="anchor-link" href="#reverse_delegation"> 3.0 Reverse Delegation in the RIPE NCC Service Region delete: </a> delete: </p> delete: <p> delete: <a class="anchor-link" href="#procedures"> 4.0 Procedures delete: </a> delete: </p> delete: <p> delete: <a class="anchor-link" href="#references"> 5.0 References delete: </a> delete: </p> delete: <p> delete: <a class="anchor-link" href="#attribution"> 6.0 Attribution delete: </a> delete: </p> delete: <h3> delete: <a name="definition"> delete: </a> 1.0 Definition delete: </h3> delete: <p style="padding-left: 30px; "> delete: <b> 1.1 delete: </b> delete: <b> Reverse delegation: delete: </b> The process by which the authority for certain reverse DNS zones is assigned to a specific set of DNS servers. delete: </p> delete: <p style="padding-left: 30px; "> delete: <b> 1.2 Early registration: delete: </b> IPv4 address space assigned or allocated before the establishment of the Regional Internet Registries (RIRs). delete: </p> delete: <p> delete: </p> delete: <p> delete: </p> delete: <h3> delete: <a name="introduction"> delete: </a> 2.0 Introduction delete: </h3> delete: <p> The RIPE NCC provides the necessary support to enable resolution of IPv4 and IPv6 address space into domain names. This service is implemented under the in-addr.arpa and ip6.arpa sub-domains described in [ delete: <a class="anchor-link" href="#ref1"> 1 delete: </a> ] and [ delete: <a class="anchor-link" href="#ref2"> 2] delete: </a> . delete: </p> delete: <h3> delete: <a name="reverse_delegation"> delete: </a> 3.0 Reverse Delegation in the RIPE NCC Service Region delete: </h3> delete: <p> The RIPE NCC provides reverse delegations for IPv4 and IPv6 address space that is registered by the RIPE NCC. delete: </p> delete: <p> The RIPE NCC also provides systems to control reverse delegation of early registrations that have been transferred to the RIPE Database. delete: </p> delete: <p> Address space holders may delegate authority to another party. delete: </p> delete: <p> delete: </p> delete: <p> delete: </p> delete: <h3> delete: <a name="procedures"> delete: </a> 4.0 Procedures delete: </h3> delete: <p> The procedures related to reverse delegation and information about the requirements the RIPE NCC enforces are published at: delete: </p> delete: <p> delete: <a href="http://www.ripe.net/reverse/"> http://www.ripe.net/reverse/ delete: </a> delete: </p> delete: <h3> delete: <a name="references"> delete: </a> 5.0 References delete: </h3> delete: <p> delete: <a name="ref1"> delete: </a> [1] [ delete: <a class="external-link" href="ftp://ftp.ripe.net/rfc/rfc3172.txt"> RFC 3172 delete: </a> ] "Management Guidelines & Operational Requirements for the Address and Routing Parameter Area Domain ("arpa")" delete: </p> delete: <p> delete: <a name="ref2"> delete: </a> [2] [ delete: <a class="external-link" href="ftp://ftp.ripe.net/rfc/rfc3596.txt"> RFC 3596 delete: </a> ] "DNS Extensions to Support IP Version 6", [ delete: <a class="external-link" href="ftp://ftp.ripe.net/rfc/rfc3363.txt"> RFC 3363 delete: </a> ] “Representing Internet Protocol version 6 (IPv6) Addresses in the Domain Name System”, [ delete: <a class="external-link" href="ftp://ftp.ripe.net/rfc/rfc3364.txt"> RFC 3364 delete: </a> ] “Tradeoffs in Domain Name System (DNS) Support for Internet Protocol version (IPv6)” delete: </p> delete: <h3> delete: <a name="attribution"> delete: </a> 6.0 Attribution delete: </h3> delete: <p> This document is compiled from policies developed by the RIPE community. delete: </p> delete: <p> The following people actively contributed to this policy by making proposals through the RIPE Policy Development Process: delete: </p> delete: <p> Olaf Kolkman delete: <br /> Leo Vegoda delete: </p>