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.arpa, rDNS and a few magical ICMP hacks

(sdomi.pl)
62 points caminanteblanco | 2 comments | 01 Nov 25 10:01 UTC | HN request time: 0.001s | source
1. possiblelion ◴[01 Nov 25 14:09 UTC] No.45781759[source]▶
super interesting. the early days of military networks always fascinate me, especially the legacy holdovers like .arpa
replies(1): >>45782320 #
2. ectospheno ◴[01 Nov 25 15:17 UTC] No.45782320[source]▶
Between resolver.arpa, ipv4only.arpa, and the fact that your email won't be delivered to anywhere you actually care about without in-addr.arpa I'm not sure I'd call it legacy.