O TCP DNS 질의 방법 - MS Windows의 nslookup 사용 경우
- 명령 : nslookup -vc -type=SOA ‘도메인네임‘ ’대상 네임서버 IP‘
- "-vc" 옵션 : TCP/53을 사용하여 DNS 질의수행 옵션
- "-type=SOA" 옵션 : 도메인네임의 SOA RR 질의 옵션
- 예시 : TCP DNS 정상응답의 경우
C:\>nslookup -vc -type=SOA nida.or.kr 202.30.50.52
Server: 202.30.50.52
Address: 202.30.50.52#53
nida.or.kr
origin = ns1.nida.or.kr
mail addr = domain.nida.or.kr
serial = 2008060501
refresh = 1800
retry = 300
expire = 3600000
minimum = 300
O TCP DNS 질의 방법 - BIND DNS의 dig 사용 경우
- 명령 : dig +vc @'대상 네임서버' '도메인네임‘ SOA
- "+vc" 옵션 : TCP/53을 사용하여 DNS 질의수행 옵션
- 예시 : TCP DNS 정상응답의 경우
C:\>dig +vc @202.30.50.52 nida.or.kr SOA
; <<>> DiG 9.4.1-P1 <<>> +vc @202.30.50.52 nida.or.kr SOA
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1418
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 4
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;nida.or.kr. IN SOA
;; ANSWER SECTION:
nida.or.kr. 300 IN SOA ns1.nida.or.kr. domain.nida.or.kr. 2008060501 1800 300 3600000 300
;; AUTHORITY SECTION:
nida.or.kr. 300 IN NS ns0.nida.or.kr.
nida.or.kr. 300 IN NS ns1.nida.or.kr.
nida.or.kr. 300 IN NS ns2.nida.or.kr.
;; ADDITIONAL SECTION:
ns0.nida.or.kr. 300 IN A 202.30.50.52
ns0.nida.or.kr. 300 IN AAAA 2001:dc5:0:10:202:30:50:52
ns1.nida.or.kr. 300 IN A 202.30.50.51
ns2.nida.or.kr. 300 IN A 61.74.72.161
;; Query time: 140 msec
;; SERVER: 202.30.50.52#53(202.30.50.52)
;; WHEN: Wed Jun 11 10:31:19 2008
;; MSG SIZE rcvd: 201
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