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RFC 5855 “Nameservers for IPv4 and IPv6 Reverse Zones” specifies a dedicated and stable set of nameserver names for each of the IN-ADDR.ARPA and IP6.ARPA zones

The secure and stable hosting of the IN-ADDR.ARPA and IP6.ARPA zones is critical to the operation of the Internet, since many applications rely upon timely responses to reverse lookups to be able to operate normally.

The IN-ADDR.ARPA zone is delegated to the following servers operated by ICANN and the 5 RIRs.
  • A.IN-ADDR-SERVERS.ARPA (operated by ARIN)
  • B.IN-ADDR-SERVERS.ARPA (operated by ICANN)
  • C.IN-ADDR-SERVERS.ARPA (operated by AfriNIC)
  • D.IN-ADDR-SERVERS.ARPA (operated by LACNIC)
  • E.IN-ADDR-SERVERS.ARPA (operated by APNIC)
  • F.IN-ADDR-SERVERS.ARPA (operated by RIPE-NCC)
The IP6.ARPA zone is delegated to the following servers operated by ICANN and the 5 RIRs.
  • A.IP6-SERVERS.ARPA (operated by ARIN)
  • B.IP6-SERVERS.ARPA (operated by ICANN)
  • C.IP6-SERVERS.ARPA (operated by AfriNIC)
  • D.IP6-SERVERS.ARPA (operated by LACNIC)
  • E.IP6-SERVERS.ARPA (operated by APNIC)
  • F.IP6-SERVERS.ARPA (operated by RIPE-NCC)

 

 

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