'dns쿼리'에 해당되는 글 1건

  1. 2010.02.11 [DNS조회] nslookup 명령어로 DNS 조회하기(mx,ptr,reverse)
시스템/DNS2010. 2. 11. 10:29

-------------------- MX 값 조회 --------------------
C:\Documents and Settings\이민우>nslookup
Default Server:  kns.kornet.net
Address:  168.126.63.1

> set ty=mx
> elentec.co.kr
Server:  kns.kornet.net
Address:  168.126.63.1

Non-authoritative answer:
elentec.co.kr   MX preference = 10, mail exchanger = mail.elentec.co.kr

elentec.co.kr   nameserver = ns2.lowhigh.net
mail.elentec.co.kr      internet address = 112.168.30.47
ns2.lowhigh.net internet address = 218.234.17.9
--------------------------------------------------------------------------------


-------------------- SPF 조회 --------------------
C:\Documents and Settings\이민우>nslookup
Default Server:  kns.kornet.net
Address:  168.126.63.1

> set ty=txt
> elentec.co.kr
Server:  kns.kornet.net
Address:  168.126.63.1

Non-authoritative answer:
elentec.co.kr   text =

        "v=spf1 ip4:112.168.30.47 ~all"

elentec.co.kr   nameserver = ns2.lowhigh.net
--------------------------------------------------------------------------------


-------------------- 리버스 조회 1 --------------------
1. 없는 경우
C:\Documents and Settings\이민우>nslookup
Default Server:  kns.kornet.net
Address:  168.126.63.1

> set ty=soa
> 47.30.168.112.in-addr.arpa
Server:  kns.kornet.net
Address:  168.126.63.1

*** kns.kornet.net can't find 47.30.168.112.in-addr.arpa: Non-existent domain


2. 있는 경우
C:\Documents and Settings\이민우>nslookup
Default Server:  kns.kornet.net
Address:  168.126.63.1

> set ty=soa
> 221.14.110.in-addr.arpa
Server:  kns.kornet.net
Address:  168.126.63.1

Non-authoritative answer:
221.14.110.in-addr.arpa
        primary name server = nsm.hananet.net
        responsible mail addr = dnsmaster.hanaro.com
        serial  = 2009062522
        refresh = 86400 (1 day)
        retry   = 3600 (1 hour)
        expire  = 3600000 (41 days 16 hours)
        default TTL = 86400 (1 day)

221.14.110.in-addr.arpa nameserver = ins1.hananet.net
221.14.110.in-addr.arpa nameserver = ins2.hananet.net
ins1.hananet.net        internet address = 210.180.98.86
ins2.hananet.net        internet address = 221.139.108.196
--------------------------------------------------------------------------------

-------------------- 리버스 조회 2 --------------------
1. 없는 경우

C:\Documents and Settings\이민우>nslookup -qa=ptr 112.168.30.47
Server:  kns.kornet.net
Address:  168.126.63.1

*** kns.kornet.net can't find 47.30.168.112.in-addr.arpa.: Non-existent domain


2. 있는 경우
C:\Documents and Settings\이민우>nslookup -qa=ptr 110.14.221.34
Server:  kns.kornet.net
Address:  168.126.63.1

Non-authoritative answer:
34.221.14.110.in-addr.arpa      name = mail.jiran.com

221.14.110.in-addr.arpa nameserver = ins2.hananet.net
221.14.110.in-addr.arpa nameserver = ins1.hananet.net
--------------------------------------------------------------------------------

-------------------- 리버스 조회 3 --------------------
C:\Documents and Settings\이민우>host 220.72.8.18
18.8.72.220.in-addr.arpa domain name pointer imssmail.samyang.com.

C:\Documents and Settings\이민우>host imssmail.samyang.com
imssmail.samyang.com has address 220.72.8.145
--------------------------------------------------------------------------------


DNS 점검사이트

1.  DNS 점검사이트

DNS전문가 카페에서 만든 사이트 :  http://www.serverchk.com/
DNS Report 유료사이트: http://www.dnsreport.com/
test 사이트  http://www.pweb.cz/en/dns-test/
NIDA
: http://dns.nida.or.kr/


1) NS확인사이트
http://www.zonecut.net/dns/
http://zonecheck.denic.de/zonecheck  ( http://www.afnic.fr/outils/zonecheck)


2)  DNS Trace ,ROOT DNS정보보기
http://www.squish.net/dnscheck/


3) 리버스점검사이트
http://dnssnoop.net/index.php


4) DNS버전 확인 유틸리티
http://www.rfc.se/fpdns/


5) 기타 점검
http://www.checkdns.net/quickcheckdomainf.aspx
http://dnscheck.iis.se/
http://www.intodns.com/


6) mx점검
http://www.mxtoolbox.com/
http://www.mxtoolbox.com/blacklists.aspx
http://pingability.com/zoneinfo.jsp
http://www.dnscheck.se/


7) 웹취약점 점검
http://cafe.naver.com/dnspro/10832

Posted by @dmin @dmin

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