"리눅스 dig"의 두 판 사이의 차이

2015년 9월 21일 (월) 19:48 판

1 개요

dig
/usr/bin/dig

리눅스용 DNS 조회 도구

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[root@zetawiki ~]# dig

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.6 <<>>
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11774
;; flags: qr rd ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 13

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			5	IN	NS	g.root-servers.net.
.			5	IN	NS	b.root-servers.net.
.			5	IN	NS	f.root-servers.net.
.			5	IN	NS	d.root-servers.net.
.			5	IN	NS	i.root-servers.net.
.			5	IN	NS	k.root-servers.net.
.			5	IN	NS	c.root-servers.net.
.			5	IN	NS	h.root-servers.net.
.			5	IN	NS	m.root-servers.net.
.			5	IN	NS	j.root-servers.net.
.			5	IN	NS	a.root-servers.net.
.			5	IN	NS	l.root-servers.net.
.			5	IN	NS	e.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	5	IN	A	198.41.0.4
a.root-servers.net.	5	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	5	IN	A	192.228.79.201
b.root-servers.net.	5	IN	AAAA	2001:500:84::b
c.root-servers.net.	5	IN	A	192.33.4.12
c.root-servers.net.	5	IN	AAAA	2001:500:2::c
d.root-servers.net.	5	IN	A	199.7.91.13
d.root-servers.net.	5	IN	AAAA	2001:500:2d::d
e.root-servers.net.	5	IN	A	192.203.230.10
f.root-servers.net.	5	IN	A	192.5.5.241
f.root-servers.net.	5	IN	AAAA	2001:500:2f::f
g.root-servers.net.	5	IN	A	192.112.36.4
h.root-servers.net.	5	IN	A	128.63.2.53

;; Query time: 35 msec
;; SERVER: 192.168.245.2#53(192.168.245.2)
;; WHEN: Mon Sep 21 03:48:01 2015
;; MSG SIZE  rcvd: 496

2 현재 DNS로 조회

명령어

Bash

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dig 도메인

실행예시

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[root@zetawiki ~]# dig gmail.com

; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5 <<>> gmail.com
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26173
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;gmail.com.			IN	A

;; ANSWER SECTION:
gmail.com.		271	IN	A	74.125.203.19
gmail.com.		271	IN	A	74.125.203.18
gmail.com.		271	IN	A	74.125.203.83
gmail.com.		271	IN	A	74.125.203.17

;; Query time: 209 msec
;; SERVER: 172.27.0.1#53(172.27.0.1)
;; WHEN: Tue Apr  8 22:43:04 2014
;; MSG SIZE  rcvd: 91

3 특정 DNS로 조회

명령어

Bash

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dig @DNS주소 도메인

실행예시

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[root@zetawiki ~]# dig @8.8.8.8 gmail.com

; <<>> DiG 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.6 <<>> @8.8.8.8 gmail.com
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1500
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;gmail.com.			IN	A

;; ANSWER SECTION:
gmail.com.		299	IN	A	173.194.126.150
gmail.com.		299	IN	A	173.194.126.149

;; Query time: 75 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Tue Apr  8 22:42:02 2014
;; MSG SIZE  rcvd: 59

4 같이 보기

5 참고 자료

https://en.wikipedia.org/wiki/Dig_(command)