BIND 9 - DNS Master e Slave CentOS 6.4 Minimal
Este artigo busca auxiliar os administradores de sistema GNU/Linux, novatos ou veteranos, que têm dificuldades para acertar as configurações do DNS BIND. O objetivo central é a configuração de um DNS externo (Master e Slave) para serviços de e-mail. Aplica-se também às outras distribuições, bastando algumas poucas modificações.
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Por: Fagner Silva do Nascimento em 12/08/2013
zone localhost.localdomain/IN: loaded serial 0
zone localhost/IN: loaded serial 0
zone 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa/IN: loaded serial 0
zone 1.0.0.127.in-addr.arpa/IN: loaded serial 0
zone 0.in-addr.arpa/IN: loaded serial 0
zone apolo.com.br/IN: loaded serial 1375628368
zone 1.168.192.in-addr.arpa/IN: loaded serial 1375628468
Server: 192.168.1.10
Address: 192.168.1.10#53
Name: ns1.dominio.com.br
Address: 192.168.1.10
Server: 192.168.1.10
Address: 192.168.1.10#53
10.1.168.192.in-addr.arpa name = ns1.dominio.com.br.
ns1.dominio.com.br has address 192.168.1.10
10.1.168.192.in-addr.arpa domain name pointer ns1.dominio.com.br.
apolo.com.br has SOA record ns1.dominio.com.br. root.dominio.com.br.dominio.com.br. 1375628368 10800 3600 604800 38400
dominio.com.br name server ns1.dominio.com.br.
dominio.com.br mail is handled by 10 correio.dominio.com.br.
; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.5 <<>> -t ptr 1.168.192.in-addr.arpa
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29485
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;1.168.192.in-addr.arpa. IN PTR
;; AUTHORITY SECTION:
1.168.192.in-addr.arpa. 38400 IN SOA ns1.dominio.com.br. root.dominio.com.br.1.168.192.in-addr.arpa. 1375628468 10800 3600 604800 38400
;; Query time: 4 msec
;; SERVER: 192.168.1.10#53(192.168.1.10)
;; WHEN: Fri Aug 9 11:18:43 2013
;; MSG SIZE rcvd: 110
; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.5 <<>> -t ns br @a.root-servers.net
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33751
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 9
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;br. IN NS
;; AUTHORITY SECTION:
br. 172800 IN NS a.dns.br.
br. 172800 IN NS b.dns.br.
br. 172800 IN NS c.dns.br.
br. 172800 IN NS d.dns.br.
br. 172800 IN NS e.dns.br.
br. 172800 IN NS f.dns.br.
;; ADDITIONAL SECTION:
a.dns.br. 172800 IN A 200.160.0.10
b.dns.br. 172800 IN A 200.189.41.10
c.dns.br. 172800 IN A 200.192.233.10
d.dns.br. 172800 IN A 200.219.154.10
e.dns.br. 172800 IN A 200.229.248.10
f.dns.br. 172800 IN A 200.219.159.10
a.dns.br. 172800 IN AAAA 2001:12ff::10
d.dns.br. 172800 IN AAAA 2001:12f8:4::10
e.dns.br. 172800 IN AAAA 2001:12f8:1::10
;; Query time: 306 msec
;; SERVER: 198.41.0.4#53(198.41.0.4)
;; WHEN: Fri Aug 9 11:20:00 2013
;; MSG SIZE rcvd: 300
; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.5 <<>> +trace www.dominio.com.br
;; global options: +cmd
. 18643 IN NS h.root-servers.net.
. 18643 IN NS i.root-servers.net.
. 18643 IN NS g.root-servers.net.
. 18643 IN NS b.root-servers.net.
. 18643 IN NS c.root-servers.net.
. 18643 IN NS e.root-servers.net.
. 18643 IN NS a.root-servers.net.
. 18643 IN NS l.root-servers.net.
. 18643 IN NS f.root-servers.net.
. 18643 IN NS k.root-servers.net.
. 18643 IN NS j.root-servers.net.
. 18643 IN NS m.root-servers.net.
. 18643 IN NS d.root-servers.net.
;; Received 272 bytes from 192.168.1.10#53(192.168.1.10) in 1411 ms
br. 172800 IN NS e.dns.br.
br. 172800 IN NS b.dns.br.
br. 172800 IN NS f.dns.br.
br. 172800 IN NS d.dns.br.
br. 172800 IN NS a.dns.br.
br. 172800 IN NS c.dns.br.
;; Received 314 bytes from 192.36.148.17#53(192.36.148.17) in 1328 ms
dominio.com.br. 86400 IN NS ns3.locaweb.com.br.
dominio.com.br. 86400 IN NS ns1.locaweb.com.br.
dominio.com.br. 86400 IN NS ns2.locaweb.com.br.
;; Received 144 bytes from 200.192.233.10#53(200.192.233.10) in 724 ms
www.dominio.com.br. 3600 IN CNAME dominio.com.br.
dominio.com.br. 3600 IN A 201.76.59.11
;; Received 64 bytes from 187.45.246.2#53(187.45.246.2) in 85 ms
; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.5 <<>> dominio.com.br
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43028
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;dominio.com.br. IN A
;; AUTHORITY SECTION:
dominio.com.br. 38400 IN SOA ns1.dominio.com.br. root.dominio.com.br.dominio.com.br. 1375628368 10800 3600 604800 38400
;; Query time: 3 msec
;; SERVER: 192.168.1.10#53(192.168.1.10)
;; WHEN: Fri Aug 9 11:23:02 2013
;; MSG SIZE rcvd: 88
; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.5 <<>> dominio.com.br ns
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54357
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 2
;; QUESTION SECTION:
;dominio.com.br. IN NS
;; ANSWER SECTION:
dominio.com.br. 38400 IN NS ns1.dominio.com.br.
;; ADDITIONAL SECTION:
ns1.dominio.com.br. 38400 IN A 192.168.1.10
;; Query time: 7 msec
;; SERVER: 192.168.1.10#53(192.168.1.10)
;; WHEN: Fri Aug 9 11:23:54 2013
;; MSG SIZE rcvd: 98
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