Hello, I have submitted an informational draft that describes resolvers performing IPv4 to IPv6 translation to send queries to IPv4-only authoritative servers. We thought it would be beneficial to document that we can operate a resolver with only an IPv6 address if we utilize the NAT64. Despite that it is stated in BCP91 [RFC3901], "every recursive name server SHOULD be either IPv4-only or dual stack."
Since this is more related to IPv6/IPv4 translation I have submitted the draft to the v6ops wg, but because this is DNS related I would very much appreciate it if I could have comments from the dnsop list as well. Momoka. Y ---------- Forwarded message --------- From: <internet-dra...@ietf.org> Date: Thu, Oct 6, 2022 at 2:17 AM Subject: New Version Notification for draft-momoka-v6ops-ipv6-only-resolver-00.txt To: Momoka Yamamoto <momoka....@gmail.com>, Toyota Yasunobu < yasn...@sfc.wide.ad.jp> A new version of I-D, draft-momoka-v6ops-ipv6-only-resolver-00.txt has been successfully submitted by Momoka Yamamoto and posted to the IETF repository. Name: draft-momoka-v6ops-ipv6-only-resolver Revision: 00 Title: IPv6 only iterative resolver utilising NAT64 Document date: 2022-10-05 Group: Individual Submission Pages: 9 URL: https://www.ietf.org/archive/id/draft-momoka-v6ops-ipv6-only-resolver-00.txt Status: https://datatracker.ietf.org/doc/draft-momoka-v6ops-ipv6-only-resolver/ Html: https://www.ietf.org/archive/id/draft-momoka-v6ops-ipv6-only-resolver-00.html Htmlized: https://datatracker.ietf.org/doc/html/draft-momoka-v6ops-ipv6-only-resolver Abstract: By performing IPv4 to IPv6 translation, IPv6-only iterative resolvers can operate in an IPv6-only environment. When a specific DNS zone is only served by an IPv4-only authoritative server, the iterative resolver will translate the IPv4 address to IPv6 to access the authoritative server's IPv4 address via NAT64. This mechanism allows IPv6-only iterative resolvers to initiate communications to IPv4-only authoritative servers. The IETF Secretariat
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