You're the sort of cool nerd who knows all the weird esoterica which makes up DNS, right? In amongst your A, AAAA, SOA, and MX records, there's a little used NAPTR. Yes, you can use DNS to store Name Authority Pointers! What?! It is yet another of those baroque standards which spits out things like: cid.uri.arpa. ;; order pref flags service regexp replacement IN NAPTR…