On Sun, 30 May 2021 at 14:49, Lukas Tribus <[email protected]> wrote: > > Hello, > > On Sun, 30 May 2021 at 14:39, Stephane Bortzmeyer <[email protected]> wrote: > > > To reproduce, just try to resolve zoom.us or google.us against 8.8.8.8 > > > or 1.1.1.1 on your probe. > > > > It works and I don't see one SERVFAIL: > > > > % blaeu-resolve --requested 100 --area North-Central --nameserver 8.8.8.8 > > --type A google.us > > ... > > Test #30484765 done at 2021-05-30T12:34:54Z > > That's a major difference to what I'm seeing, and I don't get why the > difference is so huge. > > Just now:1000 probes, area North-Central, A record google.us against 8.8.8.8: > > Above 90% of ther answers are SERVFAIL (the rest probably is not in > yet, or timeout). > https://atlas.ripe.net/measurements/30484987/#probes > > Only 12 (twelve) probes returned NOERROR.
Here's the cause: By default, the Atlas UI for measurements has the "RECURSION DESIRED" flag disabled. It is buried under advanced options, as it would be some optional flag. blaeu-resolve set this by default. Thanks, Lukas
