[atlas] querying the config
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Michael Rabinovich
michael.rabinovich at case.edu
Thu Jan 28 17:01:21 CET 2021
Hi Randy, In addition, whether it's the configuration or the IP address used by the probe for a query as Hugo suggested, this would only give you the entry point into the resolution path (and sometimes will be a private IP address of a simple forwarder). But you can query for TXT record for whoami.ds.akahelp.net, which will return you the IP address of the egress resolver. Misha > On Jan 27, 2021, at 4:03 PM, Hugo Salgado <hsalgado at nic.cl> wrote: > > Hi Randy. I don't know if you can check the config, but if you launch > a DNS measurement taking care to define use_probe_resolver:true, then > in the dst_addr field of the results you will have the IP that it used > as the resolver. > > Hugo > > On 12:23 27/01, Randy Bush wrote: >> howdy >> >> so i wanted info about a probe's config, specifically what dns >> resolver(s) it is using. i could not figure out how to do this. >> assuming it was a lack of clueons, i asked a friend with far deeper >> atlas fu. they said such queries are not available. really? >> >> [ yes we have bright ideas on how to discover this indirectly by >> mining past data ] >> >> but really? >> >> randy >>
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