[atlas] Easy way to view DNS results?
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Petr Špaček
pspacek at isc.org
Tue Jul 25 08:02:02 CEST 2023
On 25. 07. 23 7:31, Seth David Schoen wrote: > I don't know why there isn't a parsed version of the reply included in > the JSON, but perhaps the idea is that the literal details are of > interest to some researchers. One example that I happened to notice > in trying to answer your question: in parsing a sample DNS measurement > this way, I notice the use of DNS case randomization (also called "0x20 > randomization") in some replies but not in others. Having the literal > DNS query reply could help with analyzing the prevalence of this > mechanism, whereas it might be obscured by a parser that was written by > someone who believed that DNS replies are not case insensitive (which > is true from one point of view, but not from another point of view!). For people interested in DNS case (in)sensitivity, have a look at https://datatracker.ietf.org/doc/html/rfc4343 -- Petr Špaček
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