[atlas] DoH and DoT measurements

Hello Grzegorz,

The resolve_on_probe flag is used to have the probe do DNS resolution, otherwise the backend takes care of that.

Cheers,

Michel

> On 26 Jul 2023, at 17:47, Ponikierski, Grzegorz <gponikie at akamai.com> wrote:
> 
> Indeed “tls” flag seems to work. Thanks!
>  
> After first try with DoT providers like one.one.one.one or dns.google <http://dns.google/> I have additional question. When exactly FQDN from “target” is resolved to IP? Is RIPE Atlas resolve domain to IP only once during measurements creation or is each probe resolve domain to IP individually? It’s important details for me because I will work with FQDN that will resolve do different IP depending on user location so if it is resolved only once by RIPE Atlas system then probes will be using sub-optimal IPs to run tests.
>  
> Regards,
> Grzegorz
>  
> From: Michel Stam <mstam at ripe.net <mailto:mstam at ripe.net>>
> Date: Wednesday, 26 July 2023 at 17:13
> To: "Ponikierski, Grzegorz" <gponikie at akamai.com <mailto:gponikie at akamai.com>>
> Subject: Re: [atlas] DoH and DoT measurements
>  
> Hey Grzegorz, 
>  
> It’s a bit hidden, but in the measurement definition I think the key ’tis’ needs to be set to the boolean value ’true’. That should enable DNS over TLS.
>  
> Cheers,
>  
> Michel
> 
> 
> On 26 Jul 2023, at 17:09, Ponikierski, Grzegorz <gponikie at akamai.com <mailto:gponikie at akamai.com>> wrote:
>  
> I have reviewed API Manual and Reference but I don’t see anything about DoH or DoT. Maybe I have overlooked something?
>  
> Regards,
> Grzegorz
>  
> From: Michel Stam <mstam at ripe.net <mailto:mstam at ripe.net>>
> Date: Wednesday, 26 July 2023 at 15:30
> To: "Ponikierski, Grzegorz" <gponikie at akamai.com <mailto:gponikie at akamai.com>>
> Cc: "ripe-atlas at ripe.net <mailto:ripe-atlas at ripe.net>" <ripe-atlas at ripe.net <mailto:ripe-atlas at ripe.net>>
> Subject: Re: [atlas] DoH and DoT measurements
>  
> Hello Gzzegorz, 
>  
> If I saw correctly DNS over TLS should be possible. Some initial steps have been taken to implement DNS over HTTP(S) but such is not available yet.
> You will probably have to use the API to schedule one, though
>  
> RIPE Atlas docs | RIPE Atlas Documentation | Docs <https://urldefense.com/v3/__https:/atlas.ripe.net/docs/__;!!GjvTz_vk!UIWbNOgesINdK7phtPcRFUNL6Ah4klT6w0UBrDN6eQQavoEWGbvHAf3Q-h2r1ErslWGKwtF0RHE$>
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>  
> Hope this helps,
>  
> Regards,
>  
> Michel
>  
>  
> 
> 
> 
> On 26 Jul 2023, at 15:09, Ponikierski, Grzegorz via ripe-atlas <ripe-atlas at ripe.net <mailto:ripe-atlas at ripe.net>> wrote:
>  
> Hi!
>  
> Is it possible to run DNS over HTTPS and DNS over TLS measurements with RIPE Atlas?
>  
> Regards,
> Grzegorz
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