On Fri, Apr 3, 2020 at 8:20 AM Stephane Bortzmeyer <[email protected]> wrote:
> On Fri, Apr 03, 2020 at 07:48:16AM -0400, > Shumon Huque <[email protected]> wrote > a message of 98 lines which said: > > > The second one, doesnotexist.monitor.itconsult.net., does not appear > to be > > delegated from its parent. > > This is not what I see. Both are delegated from itconsult.net > (source: their SOA). > Ah, yes. The subtlety here (which I didn't notice at first) is that monitor.itconsult.net is served by the same name servers as its parent. Since most authority servers answer from their closest enclosing zone, most iterative debugging tools like dig+trace etc won't see the delegation. Shumon.
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