1 개요[ | ]
- 도메인명으로 IP 확인
- 도메인명으로 IP 주소 찾기
- 도메인 이름으로 IP 알아내기
- 윈도우에서는 nslookup, ping, tracert와 같은 명령어로 간단히 알 수 있다.
2 윈도우[ | ]
2.1 방법 1: ping[ | ]
doscon
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C:\Users\zetawiki>ping google.com
Ping google.com [173.194.38.83] 32바이트 데이터 사용:
173.194.38.83의 응답: 바이트=32 시간=34ms TTL=50
173.194.38.83의 응답: 바이트=32 시간=32ms TTL=50
173.194.38.83의 응답: 바이트=32 시간=32ms TTL=50
173.194.38.83의 응답: 바이트=32 시간=32ms TTL=50
173.194.38.83에 대한 Ping 통계:
패킷: 보냄 = 4, 받음 = 4, 손실 = 0 (0% 손실),
왕복 시간(밀리초):
최소 = 32ms, 최대 = 34ms, 평균 = 32ms
2.2 방법 2: nslookup[ | ]
doscon
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C:\Users\zetawiki>nslookup google.com
서버: google-public-dns-a.google.com
Address: 8.8.8.8
권한 없는 응답:
이름: www.naver.com
Addresses: 173.194.38.83
173.194.38.84
173.194.38.80
173.194.38.81
173.194.38.82
- → google.com은 5개의 IP로 분산처리(Load Balancing)되며 내 요청에 응답하는 IP는 173.194.38.83이다.
- → 필자는 DNS를 구글 것으로 사용하며, 구글 DNS의 IP는 8.8.8.8이다.
2.3 방법 3: tracert[ | ]
doscon
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C:\Users\zetawiki>tracert kt928.com
최대 30홉 이상의
google.com [173.194.38.83](으)로 가는 경로 추적:
1 2 ms 154 ms 1 ms 192.168.0.1
...(중략)...
추적을 완료했습니다.
3 리눅스[ | ]
3.1 방법 1: host[ | ]
![](https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/24px-Crystal_Clear_app_xmag.svg.png 1.5x, https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/32px-Crystal_Clear_app_xmag.svg.png 2x)
Console
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[root@zetawiki ~]# host yahoo.com
yahoo.com has address 98.139.183.24
yahoo.com has address 206.190.36.45
yahoo.com has address 98.138.253.109
yahoo.com mail is handled by 1 mta5.am0.yahoodns.net.
yahoo.com mail is handled by 1 mta6.am0.yahoodns.net.
yahoo.com mail is handled by 1 mta7.am0.yahoodns.net.
3.2 방법 2: ping[ | ]
Console
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[root@zetawiki ~]# ping google.com -c 1
PING google.com (173.194.127.110) 56(84) bytes of data.
64 bytes from hkg03s12-in-f14.1e100.net (173.194.127.110): icmp_seq=1 ttl=52 time=68.7 ms
--- google.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 133ms
rtt min/avg/max/mdev = 68.767/68.767/68.767/0.000 ms
- → 173.194.127.110
3.3 방법 3: nslookup[ | ]
Console
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[root@zetawiki ~]# nslookup google.com
Server: 8.8.8.8
Address: 8.8.8.8#53
Non-authoritative answer:
Name: google.com
Address: 173.194.127.102
Name: google.com
Address: 173.194.127.103
Name: google.com
Address: 173.194.127.98
Name: google.com
Address: 173.194.127.110
Name: google.com
Address: 173.194.127.99
Name: google.com
Address: 173.194.127.104
Name: google.com
Address: 173.194.127.101
Name: google.com
Address: 173.194.127.97
Name: google.com
Address: 173.194.127.105
Name: google.com
Address: 173.194.127.100
Name: google.com
Address: 173.194.127.96
3.4 방법 4: dig[ | ]
Console
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[root@zetawiki ~]# dig any google.com
;; Truncated, retrying in TCP mode.
; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6 <<>> any google.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21523
;; flags: qr rd ra; QUERY: 1, ANSWER: 24, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;google.com. IN ANY
;; ANSWER SECTION:
google.com. 300 IN A 173.194.127.103
google.com. 300 IN A 173.194.127.98
google.com. 300 IN A 173.194.127.99
google.com. 300 IN A 173.194.127.96
google.com. 300 IN A 173.194.127.100
google.com. 300 IN A 173.194.127.110
google.com. 300 IN A 173.194.127.105
google.com. 300 IN A 173.194.127.104
google.com. 300 IN A 173.194.127.101
google.com. 300 IN A 173.194.127.97
google.com. 300 IN A 173.194.127.102
google.com. 300 IN AAAA 2404:6800:4005:803::1005
google.com. 21600 IN NS ns2.google.com.
google.com. 21600 IN NS ns4.google.com.
google.com. 600 IN MX 50 alt4.aspmx.l.google.com.
google.com. 21600 IN SOA ns1.google.com. dns-admin.google.com. 2013100300 7200 1800 1209600 300
google.com. 21600 IN NS ns1.google.com.
google.com. 600 IN MX 10 aspmx.l.google.com.
google.com. 3600 IN TXT "v=spf1 include:_spf.google.com ip4:216.73.93.70/31 ip4:216.73.93.72/31 ~all"
google.com. 600 IN MX 30 alt2.aspmx.l.google.com.
google.com. 21600 IN TYPE257 \# 19 0005697373756573796D616E7465632E636F6D
google.com. 600 IN MX 20 alt1.aspmx.l.google.com.
google.com. 600 IN MX 40 alt3.aspmx.l.google.com.
google.com. 21600 IN NS ns3.google.com.
;; Query time: 78 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Sat Dec 7 08:48:50 2013
;; MSG SIZE rcvd: 577
4 같이 보기[ | ]
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