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Ambrose Chua 8b0d071549 Create LICENSE		2017-12-24 05:16:24 +08:00
LICENSE	Create LICENSE	2017-12-24 05:16:24 +08:00
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dns64.go	Set correct TTL	2017-12-24 04:17:57 +08:00
dns64_test.go	Initial commit based on @miekg's work	2017-12-20 15:16:50 +08:00
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setup_test.go	Initial commit based on @miekg's work	2017-12-20 15:16:50 +08:00

dns64

The dns64 middleware implements the DNS64 IPv6 transition mechanism. From Wikipedia:

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.

The synthesis in only performed if the query came in via IPv6.

Syntax

dns64 {
    upstream ADDRESS...
    prefix IPV6
}

upstream specifies the upstream resolver.
prefix specifies any local IPv6 prefix to use, in addition to the well known prefix (64:ff9b::/96).

dns64 {
    upstream 8.8.8.8:53
}
proxy . 8.8.8.8:53

Perform dns64 AAAA synthesizing using 8.8.8.8 for resolving any A records.