{"id":476873,"date":"2023-08-09T09:04:34","date_gmt":"2023-08-09T09:04:34","guid":{"rendered":""},"modified":"2023-09-05T11:13:37","modified_gmt":"2023-09-05T11:13:37","slug":"dns-a-record","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/dns-a-record\/","title":{"rendered":"DNS A \ub808\ucf54\ub4dc"},"content":{"rendered":"<p>DNS A \ub808\ucf54\ub4dc\ub294 \uc778\uac04\uc5d0\uac8c \uce5c\uc219\ud55c \ub3c4\uba54\uc778 \uc774\ub984\uc744 \ud574\ub2f9 IP \uc8fc\uc18c\ub85c \ubcc0\ud658\ud558\ub294 DNS(Domain Name System)\uc758 \ud544\uc218 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc778\ud130\ub137 \ud1b5\uc2e0\uc744 \uc6d0\ud65c\ud558\uac8c \ud558\ub294 \ub370 \uc911\ucd94\uc801\uc778 \uc5ed\ud560\uc744 \ud558\uba70, \uc0ac\uc6a9\uc790\ub294 \uc22b\uc790\ub85c \ub41c IP \uc8fc\uc18c\uac00 \uc544\ub2cc \uac04\ub2e8\ud55c \ub3c4\uba54\uc778 \uc774\ub984\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc6f9\uc0ac\uc774\ud2b8\uc5d0 \uc5f0\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc5ed\uc0ac\uc801 \ubc30\uacbd \ubc0f \ucd5c\ucd08 \uc5b8\uae09<\/h2>\n<p>DNS A \ub808\ucf54\ub4dc\ub294 \ub3c4\uba54\uc778 \uc774\ub984 \uc2dc\uc2a4\ud15c \uc790\uccb4\uc758 \uc2dc\uc791\uae4c\uc9c0 \uadf8 \uae30\uc6d0\uc744 \ucd94\uc801\ud569\ub2c8\ub2e4. \ucd5c\ucd08\uc758 DNS RFC\uc778 \u201cRFC 882 \u2013 \ub3c4\uba54\uc778 \uc774\ub984 \u2013 \uac1c\ub150 \ubc0f \uc2dc\uc124\u201d\uc740 1983\ub144 11\uc6d4\uc5d0 \ub3c4\uc785\ub418\uc5c8\uc73c\uba70 A \ub808\ucf54\ub4dc\ub97c \ud3ec\ud568\ud55c DNS \ub808\ucf54\ub4dc\uc758 \uac1c\ub150\uc744 \ub17c\uc758\ud588\uc2b5\ub2c8\ub2e4. RFC\uc758 \uc8fc\uc694 \uc791\uc131\uc790\uc778 Jon Postel\uacfc Paul Mockapetris\ub294 \ubd84\uc0b0\ud615 \uc778\ud130\ub137 \ub514\ub809\ud130\ub9ac \uc11c\ube44\uc2a4\ub97c \ub9cc\ub4e4\ub824\uace0 \ub178\ub825\ud588\uc73c\uba70 A Record\ub294 \uc774 \uc194\ub8e8\uc158\uc758 \uc911\uc694\ud55c \ubd80\ubd84\uc774\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>DNS A \ub808\ucf54\ub4dc \uc774\ud574<\/h2>\n<p>DNS A \ub808\ucf54\ub4dc \ub610\ub294 \uc8fc\uc18c \ub808\ucf54\ub4dc\ub294 \ub3c4\uba54\uc778\uc744 \uc6f9 \uc0ac\uc774\ud2b8 \ud30c\uc77c\uc774 \ud638\uc2a4\ud305\ub418\ub294 \uc11c\ubc84\uc758 \uc2e4\uc81c IP \uc8fc\uc18c\uc5d0 \ub9e4\ud551\ud569\ub2c8\ub2e4. \uc774\ub294 \uc778\ud130\ub137 \uc791\ub3d9 \ubc29\uc2dd\uc758 \uae30\ubcf8 \ubd80\ubd84\uc785\ub2c8\ub2e4. \ube0c\ub77c\uc6b0\uc800\uc5d0 URL\uc744 \uc785\ub825\ud558\uba74 \uc6f9 \uc0ac\uc774\ud2b8 \ucf58\ud150\uce20\ub97c \uac80\uc0c9\ud558\ub294 \ub370 \ud544\uc694\ud55c IP \uc8fc\uc18c\uac00 \ud3ec\ud568\ub41c \ud574\ub2f9 \ub3c4\uba54\uc778\uc758 A \ub808\ucf54\ub4dc\ub97c \ucc3e\uae30 \uc704\ud574 DNS \ucffc\ub9ac\uac00 \uc0dd\uc131\ub429\ub2c8\ub2e4.<\/p>\n<p>\uac01 A \ub808\ucf54\ub4dc\ub294 \ub124 \uac00\uc9c0 \uc8fc\uc694 \ubd80\ubd84\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\ub3c4\uba54\uc778 \uc774\ub984<\/li>\n<li>\ub808\ucf54\ub4dc \uc720\ud615(A)<\/li>\n<li>TTL(Time to Live)<\/li>\n<li>IP \uc8fc\uc18c<\/li>\n<\/ol>\n<h2>DNS A \ub808\ucf54\ub4dc\uc758 \ub0b4\ubd80 \uc791\ub3d9<\/h2>\n<p>\uc0ac\uc6a9\uc790\uac00 \ube0c\ub77c\uc6b0\uc800\uc5d0 URL\uc744 \uc785\ub825\ud558\uc5ec \uc6f9\uc0ac\uc774\ud2b8\ub97c \uc694\uccad\ud558\uba74 \ud504\ub85c\uc138\uc2a4\uac00 \uc2dc\uc791\ub429\ub2c8\ub2e4. \ube0c\ub77c\uc6b0\uc800\ub294 \ub3c4\uba54\uc778 \uc774\ub984\uacfc \uc5f0\uacb0\ub41c IP \uc8fc\uc18c\ub97c \ucc3e\uae30 \uc704\ud574 DNS \ucffc\ub9ac\ub97c \uc2dc\uc791\ud569\ub2c8\ub2e4. \uc774 \ucffc\ub9ac\ub294 \ub3c4\uba54\uc778 \uc774\ub984 \ub514\ub809\ud130\ub9ac\uc640 \ud574\ub2f9 IP \uc8fc\uc18c\ub97c \uc720\uc9c0 \uad00\ub9ac\ud558\ub294 DNS \uc11c\ubc84\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc11c\ubc84\ub294 IP \uc8fc\uc18c\ub97c \uc81c\uacf5\ud558\ub294 \uc694\uccad\ub41c \ub3c4\uba54\uc778\uc758 A \ub808\ucf54\ub4dc\uc5d0 \ub300\ud55c \ub514\ub809\ud130\ub9ac\ub97c \ud655\uc778\ud569\ub2c8\ub2e4. \uc774 IP \uc8fc\uc18c\ub294 \uc0ac\uc6a9\uc790\uc758 \ube0c\ub77c\uc6b0\uc800\ub85c \ubc18\ud658\ub418\uba70, \uc6f9 \uc0ac\uc774\ud2b8 \ucf58\ud150\uce20\ub97c \ud638\uc2a4\ud305\ud558\ub294 \uc11c\ubc84\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>DNS A \ub808\ucf54\ub4dc\uc758 \uc8fc\uc694 \uae30\ub2a5<\/h2>\n<ul>\n<li><strong>\uac04\ub2e8<\/strong>: A \ub808\ucf54\ub4dc\ub97c \uc0ac\uc6a9\ud558\uba74 IP \uc8fc\uc18c \ub300\uc2e0 \ub3c4\uba54\uc778 \uc774\ub984\ub9cc \uae30\uc5b5\ud558\uba74 \ub418\ubbc0\ub85c \uc0ac\uc6a9\uc790\uac00 \uc778\ud130\ub137 \uac80\uc0c9\uc744 \ub354 \uc27d\uac8c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ud655\uc7a5\uc131<\/strong>: A \ub808\ucf54\ub4dc\ub97c \ud3ec\ud568\ud55c DNS \uc2dc\uc2a4\ud15c\uc758 \ubd84\uc0b0 \ubc0f \uacc4\uce35 \uad6c\uc870\ub97c \ud1b5\ud574 \uc810\uc810 \ub298\uc5b4\ub098\ub294 \uc778\ud130\ub137 \uc0ac\uc6a9\uc790\uc640 \uc6f9 \uc0ac\uc774\ud2b8\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc720\uc5f0\uc131<\/strong>: A \ub808\ucf54\ub4dc\ub294 \ud544\uc694\uc5d0 \ub530\ub77c \uc5c5\ub370\uc774\ud2b8\ub418\uac70\ub098 \ubcc0\uacbd\ub420 \uc218 \uc788\uc73c\ubbc0\ub85c \uc5f0\uacb0\ub41c \ub3c4\uba54\uc778\uc774 \ub2e4\ub978 IP \uc8fc\uc18c\ub97c \uac00\ub9ac\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>DNS A \ub808\ucf54\ub4dc \uc720\ud615<\/h2>\n<p>DNS A \ub808\ucf54\ub4dc\uc5d0\ub294 \ub450 \uac00\uc9c0 \ud2b9\uc815 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc720\ud615<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uae30\ub85d<\/td>\n<td>\ub3c4\uba54\uc778 \ub610\ub294 \ud558\uc704 \ub3c4\uba54\uc778\uc744 IPv4 \uc8fc\uc18c\uc5d0 \ub9e4\ud551\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>AAAA \uae30\ub85d<\/td>\n<td>&quot;\ucffc\ub4dc-A&quot; \ub808\ucf54\ub4dc\ub77c\uace0\ub3c4 \ud558\uba70 \ub3c4\uba54\uc778 \ub610\ub294 \ud558\uc704 \ub3c4\uba54\uc778\uc744 IPv6 \uc8fc\uc18c\uc5d0 \ub9e4\ud551\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DNS A \ub808\ucf54\ub4dc\uc758 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8, \ubb38\uc81c \ubc0f \uc194\ub8e8\uc158<\/h2>\n<p>A \uae30\ub85d\uc740 \uc6f9 \ud638\uc2a4\ud305, \ub85c\ub4dc \ubc38\ub7f0\uc2f1, \uc704\uce58 \uc815\ubcf4 \ubc0f \uae30\ud0c0 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc7a0\uc7ac\uc801\uc778 \ubb38\uc81c\ub85c\ub294 \uc804\ud30c \uc9c0\uc5f0(TTL\uc744 \uc904\uc5ec \uc644\ud654\ud560 \uc218 \uc788\uc74c) \ubc0f DNS \uc2a4\ud478\ud551(DNSSEC\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubc29\uc9c0\ud560 \uc218 \uc788\uc74c)\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc720\uc0ac\ud55c \uac1c\ub150\uacfc\uc758 \ube44\uad50<\/h2>\n<table>\n<thead>\n<tr>\n<th>\uac1c\ub150<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uae30\ub85d<\/td>\n<td>\ub3c4\uba54\uc778 \ub610\ub294 \ud558\uc704 \ub3c4\uba54\uc778\uc744 IPv4 \uc8fc\uc18c\uc5d0 \ub9e4\ud551\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>AAAA \uae30\ub85d<\/td>\n<td>\ub3c4\uba54\uc778 \ub610\ub294 \ud558\uc704 \ub3c4\uba54\uc778\uc744 IPv6 \uc8fc\uc18c\uc5d0 \ub9e4\ud551\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>CNAME \ub808\ucf54\ub4dc<\/td>\n<td>\ub3c4\uba54\uc778 \ub610\ub294 \ud558\uc704 \ub3c4\uba54\uc778\uc744 \ub2e4\ub978 \ub3c4\uba54\uc778 \uc774\ub984\uc5d0 \ub9e4\ud551\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>MX \ub808\ucf54\ub4dc<\/td>\n<td>\ub3c4\uba54\uc778\uc744 \ub300\uc2e0\ud558\uc5ec \uc774\uba54\uc77c \uc218\ub77d\uc744 \ub2f4\ub2f9\ud558\ub294 \uba54\uc77c \uc11c\ubc84\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DNS A \ub808\ucf54\ub4dc\uc758 \ubbf8\ub798 \uc804\ub9dd<\/h2>\n<p>\uc778\ud130\ub137\uc774 \uacc4\uc18d \uc131\uc7a5\ud568\uc5d0 \ub530\ub77c DNS A \ub808\ucf54\ub4dc\ub294 \uc5ec\uc804\ud788 \uc911\uc694\ud560 \uac83\uc785\ub2c8\ub2e4. \uc548\uc804\ud55c DNS \ucffc\ub9ac\ub97c \uc704\ud55c DNSSEC\uc758 \uc0ac\uc6a9, \ub354 \ub113\uc740 IP \ubc94\uc704\ub97c \uc704\ud55c IPv6 \uc8fc\uc18c, \ub354\uc6b1 \uc815\uad50\ud55c DNS \uae30\ubc18 \ub85c\ub4dc \ubc38\ub7f0\uc2f1 \ubc0f \uc9c0\ub9ac\uc801 \uc704\uce58 \uae30\uc220\uc758 \uc0ac\uc6a9\uc774 \uc99d\uac00\ud560 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n<h2>DNS A \ub808\ucf54\ub4dc \ubc0f \ud504\ub85d\uc2dc \uc11c\ubc84<\/h2>\n<p>OneProxy\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uac83\uacfc \uac19\uc740 \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 DNS A \ub808\ucf54\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud2b8\ub798\ud53d\uc744 \ub77c\uc6b0\ud305\ud558\ub294 \uc6f9 \uc0ac\uc774\ud2b8\uc758 IP \uc8fc\uc18c\ub97c \uacb0\uc815\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 URL \uc694\uccad\uc744 \uc218\uc2e0\ud558\uace0 \ud574\ub2f9 IP \uc8fc\uc18c\uc5d0 \ub300\ud55c DNS \ucffc\ub9ac\ub97c \ub9cc\ub4e0 \ub2e4\uc74c \uc0ac\uc6a9\uc790\uc758 \ud2b8\ub798\ud53d\uc744 \ud574\ub2f9 \uc8fc\uc18c\ub85c \ub77c\uc6b0\ud305\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<ul>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc882\" target=\"_new\" rel=\"noopener nofollow\">RFC 882 \u2013 \ub3c4\uba54\uc778 \uc774\ub984 \u2013 \uac1c\ub150 \ubc0f \uc2dc\uc124<\/a><\/li>\n<li><a href=\"https:\/\/www.cloudflare.com\/learning\/dns\/dns-records\/\" target=\"_new\" rel=\"noopener nofollow\">DNS \ub808\ucf54\ub4dc \uc720\ud615 \uc774\ud574<\/a><\/li>\n<li><a href=\"https:\/\/www.cloudflare.com\/dns\/dnssec\/how-dnssec-works\/\" target=\"_new\" rel=\"noopener nofollow\">DNSSEC \uc124\uba85<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/kr\/\" target=\"_new\" rel=\"noopener\">OneProxy \u2013 \uace0\uae09 \ud504\ub85d\uc2dc \uc11c\ubc84 \uc194\ub8e8\uc158<\/a><\/li>\n<\/ul>","protected":false},"featured_media":476874,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476873","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>DNS A Record: A Comprehensive Analysis<\/mark>","faq_items":[{"question":"What is a DNS A Record?","answer":"<p>A DNS A Record, also known as an Address Record, is a fundamental component of the Domain Name System (DNS). It links a domain to the physical IP address of the server where the website files are located. When you input a URL into your browser, a DNS query locates the A Record for that domain, which holds the IP address required to fetch the website's content.<\/p>"},{"question":"When were DNS A Records first introduced?","answer":"<p>The concept of DNS A Records was introduced in November 1983 with the publication of the first DNS RFC, \"RFC 882 - Domain Names - Concepts and Facilities.\" The main authors of the RFC, Jon Postel and Paul Mockapetris, developed this system to create a decentralized and distributed internet directory service, with the A Record playing a crucial part in this system.<\/p>"},{"question":"How does a DNS A Record work?","answer":"<p>A DNS A Record functions by associating a domain with a server's IP address. When a user requests a website by typing a URL into their browser, the browser initiates a DNS query to locate the IP address related to the domain name. The query goes to a DNS server, which maintains a directory of domain names and their respective IP addresses. The server checks its directory for the requested domain's A Record, which provides the IP address, and this IP address is then returned to the user's browser.<\/p>"},{"question":"What are the key features of a DNS A Record?","answer":"<p>The key features of a DNS A Record include its simplicity, scalability, and flexibility. The simplicity allows users to access websites using domain names instead of remembering numerical IP addresses. The scalability of the DNS system, including A Records, helps handle the growing number of internet users and websites effectively. The flexibility allows the A Records to be updated or changed as needed, enabling the domain to point to different IP addresses.<\/p>"},{"question":"What types of DNS A Records exist?","answer":"<p>There are two specific types of DNS A Records: the A Record, which maps a domain or subdomain to an IPv4 address, and the AAAA Record (also known as a \"quad-A\" record), which maps a domain or subdomain to an IPv6 address.<\/p>"},{"question":"What are some common uses and issues related to DNS A Records?","answer":"<p>DNS A Records are used in various ways, including web hosting, load balancing, and geolocation. Some common issues related to DNS A Records are propagation delays, which can be mitigated by reducing the TTL (Time to Live), and DNS spoofing, which can be prevented using DNSSEC (Domain Name System Security Extensions).<\/p>"},{"question":"How are DNS A Records related to proxy servers?","answer":"<p>Proxy servers, like those provided by OneProxy, often use DNS A Records to determine the IP addresses of the websites to which they're routing traffic. The proxy server receives a URL request, performs a DNS query for the corresponding IP address, and then routes the user's traffic to that IP address.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/476873","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/476873\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/476874"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=476873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}