0 Consultar DNS y rDNS (reverse DNS) desde consola 18 marzo, 2019 javier DNSdig +short miab.aulafacil.email 172.104.241.XX rDNS ipv4dig +short -x 172.104.241.XX miab.aulafacil.email. DNSdig +short AAAA miab.aulafacil.email 2a01:7e01::f03c:91ff:fe40:XXXa rDNS