{"id":3853,"date":"2020-11-01T09:41:10","date_gmt":"2020-11-01T00:41:10","guid":{"rendered":"\/blog\/?p=3853"},"modified":"2023-09-21T09:26:37","modified_gmt":"2023-09-21T00:26:37","slug":"dig-nslookup","status":"publish","type":"post","link":"https:\/\/hasu0707.duckdns.org\/blog\/?p=3853","title":{"rendered":"dig & nslookup"},"content":{"rendered":"\n\u25a0 dig<\/span><\/strong>

\uff0d\ud2b9\uc815 \ub124\uc784\uc11c\ubc84\ub85c \uc9c8\uc758
dig @8.8.8.8<\/span> google.com<\/span>

\uff0d\ud2b9\uc815 \ub808\ucf54\ub4dc \uc9c8\uc758
dig @8.8.8.8 mx google.com
dig @8.8.8.8 txt google.com
dig @8.8.8.8 ns google.com
dig @8.8.8.8 ptr google.com
A, AAAA, CNAME, MX, TXT, NS, SOA, SRV, CAA, PTR, NSEC, NSEC3, RRSIG, RP \ub4f1\uc774 \uc9c0\uc6d0\ub418\uba70 \uae30\ubcf8\uac12\uc740 A

\uff0dIP\uc8fc\uc18c\ub9cc \uac04\ub2e8\ud788 \ud655\uc778
dig google.com +short

\uff0dDNS \uc9c8\uc758 \ucd94\uc801
dig google.com +trace

\uff0dZone-Transfer\ub97c \ud5c8\uc6a9\ud558\ub294\uc9c0 \uccb4\ud06c (\uc2e4\ud328\uac00 \uc815\uc0c1)
dig google.com AXFR

\uff0d\uacb0\uacfc \uc77d\uae30

dig \ucee4\ub9e8\ub4dc\uc2dc SECTION \uc704 \uc544\ub798\ub85c \ub2e4\uc591\ud55c \uc815\ubcf4\uac00 \ucd9c\ub825\ub41c\ub2e4.

DNS\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uacf5\ubd80\ud560 \uacbd\uc6b0, \uc774 \ub2e4\uc591\ud55c \uc815\ubcf4\ub97c \uc54c\uace0 \uc788\ub294 \uac83\uc774 \uc88b\ub2e4.
DNS \ud5e4\ub354\uc5d0 \ub300\ud55c \uc815\ubcf4\uac00 \ucd9c\ub825\ub41c\ub2e4.

->>HEADER<<-
opcode : \uc720\ud615
QUERY : Standard Query (\uc815\uc0c1 \uc9c8\uc758\uc751\ub2f5)
IQUERY : Inverse Query
STATUS : Status
NOTIFY : NOTIFY \uba54\uc2dc\uc9c0
UPDATE : Dynamic UPDATE \uba54\uc2dc\uc9c0

status : \uc751\ub2f5 \ucf54\ub4dc
NOERROR : \uc815\uc0c1
FORMERR : Format \uc5d0\ub7ec. (\uc798\ubabb\ub41c Field \uac12\uc744 \uc9d1\uc5b4\ub123\uc740 \uacbd\uc6b0)
SERVFAIL : \uc11c\ubc84 \uc5d0\ub7ec. (HTTP\uc758 500\uacc4\uc5f4 \uc5d0\ub7ec \ub290\ub08c)
NXDOMAIN : \uc5c6\ub294 \ub3c4\uba54\uc778(Non-Existent Domain). \ud574\ub2f9 \ub124\uc784\uc11c\ubc84\uc5d0 \ud574\ub2f9 Zone \uc5c6\uc74c.
REFUSED : \uac70\uc808. (\ud574\ub2f9 Client \uc694\uccad \ubb34\uc2dc)

flags (\uc911\uc694!!!)
flag \uc815\ubcf4\ub294 \uc54c\uc544\ub450\uba74 \uc815\ub9d0 \uc720\uc6a9\ud558\ub2e4.

qr : Query\/Response (Query->0 \/ Response->1, DNS \ud5e4\ub354 \ucc38\uace0)
aa : Authoritative (\ud574\ub2f9 \uc751\ub2f5\uc740 Authoritative \uc11c\ubc84\ub85c\ubd80\ud130 \uc628 \uc751\ub2f5)
tc : Truncated (DNS \ud5e4\ub354\uc758 tc bit)

rd : Recursion Desired (\ud574\ub2f9 \uc9c8\uc758\uac00 Recursive \ud55c \uacbd\uc6b0)
ra : Recursion Available (\ud574\ub2f9 \uc9c8\uc758\uac00 RD \uac00\ub2a5\ud55c\uc9c0)

QUERY \/ ANSWER \/ AUTHORITY \/ ADDTIONAL
\uac01\uac01 DNS \ud5e4\ub354\uc758 SECTION \uac12\uc744 \ucd9c\ub825\ud55c\ub2e4. \uc790\uc138\ud55c \uac74 DNS \ud5e4\ub354 \ucc38\uace0
QUERY : \uc9c8\uc758
ANSWER : \uc751\ub2f5
AUTHORITY : \ud574\ub2f9 Zone\uc758 Authoritative Server \uc815\ubcf4
ADDITIONAL : \ubd80\uac00\uc801\uc778 \uc815\ubcf4

Query Time : \ucd1d \uc18c\uc694 \uc2dc\uac04
SERVER : \uc9c8\uc758\ud55c \uc11c\ubc84
WHEN : UTC +0 \uae30\uc900 \uc2dc\uac04
MSG SIZE : DNS \uba54\uc2dc\uc9c0\uc758 \ud06c\uae30(IP, TCP or UDP Header\ub97c \uc81c\uc678\ud55c byte)



\u25a0 nslookup<\/strong><\/span>

nslookup -type=ptr 1.1.1.1<\/span> 8.8.8.8<\/span>
>> Name server 8.8.8.8\uc5d0\uc11c 1.1.1.1\uc5d0 \ub300\ud55c Reverse DNS \ucffc\ub9ac\ub97c \uc870\ud68c\ud55c\ub2e4.

nslookup -type=any google.com<\/span> 8.8.8.8<\/span>
nslookup -query=mx google.com 8.8.8.8
nslookup -type=soa google.com 8.8.8.8
nslookup -type=txt google.com 8.8.8.8
nslookup -type=ns google.com  8.8.8.8
nslookup -debug google.com  8.8.8.8

<\/span>\n","protected":false},"excerpt":{"rendered":"

\u25a0 dig \uff0d\ud2b9\uc815 \ub124\uc784\uc11c\ubc84\ub85c \uc9c8\uc758dig @8.8.8.8 google.com \uff0d\ud2b9\uc815 \ub808\ucf54\ub4dc \uc9c8\uc758dig @8.8.8.8 mx google.comdig @8.8.8.8 txt google.comdig @8.8.8.8 ns google.comdig @8.8.8.8 ptr google.comA, AAAA, CNAME, MX, TXT, NS, SOA, SRV, CAA, PTR, NSEC, NSEC3, RRSIG, RP \ub4f1\uc774 \uc9c0\uc6d0\ub418\uba70 \uae30\ubcf8\uac12\uc740 A \uff0dIP\uc8fc\uc18c\ub9cc \uac04\ub2e8\ud788 \ud655\uc778dig google.com +short \uff0dDNS \uc9c8\uc758 \ucd94\uc801dig google.com +trace \uff0dZone-Transfer\ub97c \ud5c8\uc6a9\ud558\ub294\uc9c0 \uccb4\ud06c (\uc2e4\ud328\uac00 \uc815\uc0c1)dig google.com […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[15],"tags":[],"class_list":["post-3853","post","type-post","status-publish","format-standard","hentry","category-computing_tools"],"_links":{"self":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3853"}],"version-history":[{"count":0,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3853\/revisions"}],"wp:attachment":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}