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# dns64
Initial commit based on @miekg's work
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Update README.md
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The *dns64* plugin implements the DNS64 IPv6 transition mechanism. From Wikipedia:
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> 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).
## Examples
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In recursive resolver mode:
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~~~
Add example to use authoritatively
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# Perform dns64 AAAA synthesizing using 8.8.8.8 for resolving any A
Initial commit based on @miekg's work
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dns64 {
upstream 8.8.8.8:53
}
Update usage Currently, dns64 modifies the response produced by the proxy plugin
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proxy . 8.8.8.8:53
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~~~
Add example to use authoritatively
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To make DNS64 resolve authoritatively, do:
~~~
dns64 {
   upstream localhost:53
   # caveat: additional round trip through networking stack
}
file example.com.db
~~~
Initial commit based on @miekg's work
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## See Also
<https://en.wikipedia.org/wiki/IPv6_transition_mechanism#DNS64> and RFC 6147.
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## Installation
```
$ go get github.com/coredns/coredns
$ go get github.com/serverwentdown/dns64
$ cd $GOPATH/src/github.com/coredns/coredns
$ vim plugin.cfg
# Add the line dns64:github.com/serverwentdown/dns64 before the hosts middleware
$ go generate
$ go build
$ ./coredns -plugins | grep dns64
```