Hola,
Hice el reverse DNS, pero me da que no está bien, me lo podrían corroborar?
Este sería el forward DNS
Cita: dig jsys.es
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-16.P1.el5 <<>> jsys.es
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 8400
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;jsys.es. IN A
;; ANSWER SECTION:
jsys.es. 86400 IN A 188.85.71.18
;; AUTHORITY SECTION:
jsys.es. 86400 IN NS ns2.jsys.es.
jsys.es. 86400 IN NS ns1.jsys.es.
;; ADDITIONAL SECTION:
ns1.jsys.es. 86400 IN A 188.85.71.18
ns2.jsys.es. 86400 IN A 188.85.71.18
;; Query time: 2 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jun 7 13:01:12 2011
;; MSG SIZE rcvd: 109
y este el reverse DNS:
Cita: dig -x 188.85.71.18
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-16.P1.el5 <<>> -x 188.85.71.18
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47366
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 0
;; QUESTION SECTION:
;18.71.85.188.in-addr.arpa. IN PTR
;; ANSWER SECTION:
18.71.85.188.in-addr.arpa. 86400 IN PTR ns1.71.85.188.in-addr.arpa.
18.71.85.188.in-addr.arpa. 86400 IN PTR ns2.71.85.188.in-addr.arpa.
;; AUTHORITY SECTION:
71.85.188.in-addr.arpa. 86400 IN NS ns1.71.85.188.in-addr.arpa.
71.85.188.in-addr.arpa. 86400 IN NS ns2.71.85.188.in-addr.arpa.
;; Query time: 2 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jun 7 13:02:25 2011
;; MSG SIZE rcvd: 107
Mi pregunta es: ¿a la derecha, no debería de aparecer el nombre del dominio?, en ver de ns1.71.85.188.in-addr.arpa.
He mriado otros dominios y están así:
Cita: dig redhat.com
;; ANSWER SECTION:
redhat.com. 60 IN A 209.132.183.81
reverse:
Cita: dig -x 209.132.183.81
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-16.P1.el5 <<>> -x 209.132.183.81
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39320
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 13, ADDITIONAL: 0
;; QUESTION SECTION:
;81.183.132.209.in-addr.arpa. IN PTR
;; ANSWER SECTION:
81.183.132.209.in-addr.arpa. 600 IN PTR
www.redhat.com.