Re: [MirageOS-devel] simple dns server

[Luke Dunstan <lukedunstan81@xxxxxxxxx>]

Hi Nick,

Would you be able to post your example zone files? The code appears to
concatenate the file contents and then parses the result, so maybe if
the first file doesn't end in a newline character then it could be
misinterpreted?

https://github.com/mirage/ocaml-dns/issues/69

Luke


On 11 May 2015 at 20:16, Nick Betteridge <buzzheavyyear@xxxxxxxxxxx> wrote:
> Thanks Mindy & Heidi,
>
> I got this to work with a single zone - however, when I tried using
> DNS.serve_with_zonefiles and used dig, dig only returned the dns values of
> the last zone in the list, ie:
>
> let zonefiles = ["example1.com.zone"; "example2.net.zone"]
>
> module Main (C:CONSOLE) (K:KV_RO) (S:STACKV4) = struct
>
>   module U = S.UDPV4
>   module DNS = Dns_server_mirage.Make(K)(S)
>
>   let start c k s =
>     let t = DNS.create s k in
>     DNS.serve_with_zonefiles t ~port ~zonefiles
> end
>
> gives:
>
> [example1.com]
> dig @127.0.0.1 www.example1.com
>
> ; <<>> DiG 9.9.5-3ubuntu0.2-Ubuntu <<>> @127.0.0.1 www.example1.com
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 3848
> ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
> ;; WARNING: recursion requested but not available
>
> ;; QUESTION SECTION:
> ;www.example1.com.        IN    A
>
> ;; Query time: 1 msec
> ;; SERVER: 127.0.0.1#53(127.0.0.1)
> ;; WHEN: Mon May 11 12:09:29 UTC 2015
> ;; MSG SIZE  rcvd: 36
>
> and
>
> [example2.net]
> dig @127.0.0.1 www.example2.net
>
> ; <<>> DiG 9.9.5-3ubuntu0.2-Ubuntu <<>> @127.0.0.1 www.example2.net
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19560
> ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 3
> ;; WARNING: recursion requested but not available
>
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags: do; udp: 1500
> ;; QUESTION SECTION:
> ;www.example2.net.        IN    A
>
> ;; ANSWER SECTION:
> www.example2.net.    3600    IN    A    192.168.1.11
>
> ;; AUTHORITY SECTION:
> example2.net.        3600    IN    NS    ns2.example2.net.
> example2.net.        3600    IN    NS    ns1.example2.net.
>
> ;; ADDITIONAL SECTION:
> ns1.example2.net.    3600    IN    A    192.168.1.11
> ns2.example2.net.    3600    IN    A    192.168.1.11
>
> ;; Query time: 2 msec
> ;; SERVER: 127.0.0.1#53(127.0.0.1)
> ;; WHEN: Mon May 11 12:11:52 UTC 2015
> ;; MSG SIZE  rcvd: 131
>
>
> Incidentally, I see  your personal dns server zone file includes an MX
> record - I also need a person mails server for my cubieboard, what server
> are you running?
>
> Cheers (and thanks)
> Nick
>
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>

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