[Freeswitch-users] Weird: Cloudflare 1.1.1.1 DNS server not working with sofia_dig

Brian : brians at iptel.co
Fri Dec 10 16:56:43 UTC 2021


We noticed something similar with 1.1.1.1 and srv records a while ago.
Didn't spend much time on it just told customer to use a resolver that
works.

On Friday, December 10, 2021, Podrigal, Aron <aronp at guaranteedplus.com>
wrote:
> Hi,
> I am experiencing weird behavior.
> I have my nameserver set to 1.1.1.1, doing sofia_dig returns no results,
one request out of five succeeds.
> - When I do a dig / host lookup directly outside freeswitch using
1.1.1.1, it works.
> - sofia_dig with any other DNS server (8.8.8.8, 9.9.9.9 etc) works.
> PCAP shows DNS traffic being sent and received normally. In the non
working scenario, the response from 1.1.1.1 simply has zero  ips.
> See below.
>
>
</mail/u/0/s/?view=att&th=17da4c1a164bfbe4&attid=0.0.1&disp=emb&realattid=ii_kwzyxhsx1&zw&atsh=1>
>
> --
>
> -
> Aron Podrigal
>
>
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