Reverse Delegation
| The RIPE NCC registers only reverse delegations and is not involved in the registration of forward domains. |
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What is Reverse Delegation?
The Domain Name System (DNS) is a globally distributed Internet service. It provides name-to-number (forward) and number-to-name (reverse) translations, using defined client-server and server-server protocols. The DNS is a public service - any Internet user is freely able to query the DNS system for forward or reverse translations.
Reverse DNS delegations allow applications to map to a domain name from an IP address. Reverse delegation is achieved by use of the special domain names in-addr.arpa (IPv4) and ip6.arpa (IPv6).
For all IP address blocks that IANA allocates to the RIPE NCC, they also delegate the corresponding reverse DNS zones within the centrall