According to what I've read, that's exactly what DNS64 does. It converts A records to AAAA records. (For mixed networks, it just passes through AAAA records, but that's not in my configuration):
"DNS64 is a mechanism for synthesizing AAAA resource records (RRs) from A RRs." - https://tools.ietf.org/html/rfc6147 "DNS64 describes a DNS server that when asked for a domain's AAAA records, but only finds A records, synthesizes the AAAA records from the A records." - https://en.m.wikipedia.org/wiki/IPv6_transition_mechanism Rick On Apr 11, 2018 5:40 PM, "Chuck Swiger" <cswi...@mac.com> wrote: On Apr 11, 2018, at 3:32 PM, Rick Tillery <rtilleryw...@gmail.com> wrote: > I'll give those tools a try, but I don't understand how my client is requesting an A record. It only has IPv6 networking. DNS64 should be requesting an A record, but that the client should see is the converted AAAA record. Is that not right? Nope-- DNS requests aren't going to convert an A record to a AAAA record. Normally, IPv6 only machines should request IPv6 AAAA records by preference, and fall back to IPv4 A records only when IPv6 isn't available. However, your IPv6-only machine will route IPv4 traffic using 6-in-4 or NAT64 addressing, otherwise you'd get broken connectivity to IPv4-only addresses. Regards, -- -Chuck
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