Buenas tardes Todo perfecto! muchas gracias [root@kronos ~]# dig @80.58.61.250 -x 83.48.118.131 ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.6 <<>> @80.58.61.250 -x 83.48.118.131 ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46848 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;131.118.48.83.in-addr.arpa. IN PTR ;; ANSWER SECTION: 131.118.48.83.in-addr.arpa. 86400 IN PTR smtp.suminorte.com. ;; Query time: 18 msec ;; SERVER: 80.58.61.250#53(80.58.61.250) ;; WHEN: Mon Jun 12 21:22:31 2017 ;; MSG SIZE rcvd: 76
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