[dns-operations] weird queries for mx1.mx2.mx1.mx2...

John Levine johnl at taugh.com
Tue Mar 31 20:41:55 UTC 2020


In article <mailman.1939.1585654505.1398.dns-operations at lists.dns-oarc.net> you write:
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>Hi Petr,
>
>We see something similar, albeit not so extreme.
>
>It's less deep, only 2 levels:
>
>mx1.mx1.example.nl
>
>But we also saw this:
>
>mx1.mx1.nl

Same situation, *.example.nl and *.mx1.nl are both wildcarded, and
point at a web server that responds to any URL.

I don't suppose you caught who was making the queries?



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