[Dnsmasq-discuss] DNSSEC slow query / TCP/ truncated issue
stappers at hendrikx-itc.nl
Mon Aug 12 12:45:32 BST 2019
On 11-08-2019 22:01, Dominic Preston wrote:
> I have a fresh installation of Ubuntu 18.04 on Google Cloud Platform.
> I have compiled the latest version of dnsmasq with the following
> I stop systemd-resolved, run dnsmasq and issue the following command:
> dig @127.0.0.1 pir.org
> After that there's a long pause, and the result comes back with the
> following line at the top of dig:
> ;; Truncated, retrying in TCP mode.
> dnsmasq log says:
> dnsmasq: reducing DNS packet size for nameserver 18.104.22.168 to 1280
> If I run this, dig comes back immediately with no pause and no TCP mode:
> dig @22.214.171.124 pir.org
> Any ideas why the first dig command has problems and the second dig
> command is fine?
How to stack systemd-resolved and dnsmasq is something britle. I
took me several attempts. None of the attempts had `reducing DNS packet
size`. Feel free to report your milage.
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