forked from docs/doc-exports
Qin Ying, Fan
9a9e02c671
Reviewed-by: Hajba, László Antal <laszlo-antal.hajba@t-systems.com> Co-authored-by: Qin Ying, Fan <fanqinying@huawei.com> Co-committed-by: Qin Ying, Fan <fanqinying@huawei.com>
111 lines
14 KiB
HTML
111 lines
14 KiB
HTML
<a name="dns_usermanual_0010"></a><a name="dns_usermanual_0010"></a>
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<h1 class="topictitle1">Adding a CNAME Record Set</h1>
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<div id="body1548760902270"><div class="section" id="dns_usermanual_0010__section187281084528"><h4 class="sectiontitle">Scenarios</h4><p id="dns_usermanual_0010__p1849014481545">If you want to map one domain name to another, add a CNAME record set for the domain name.</p>
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<p id="dns_usermanual_0010__p1032122565311">For more details, see <a href="dns_usermanual_0601.html">Record Set Types and Configuration Rules</a>.</p>
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</div>
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<div class="section" id="dns_usermanual_0010__section10284161715528"><h4 class="sectiontitle">Constraints</h4><ul id="dns_usermanual_0010__ul122344147235"><li id="dns_usermanual_0010__li51372307231">You can leave the <strong id="dns_usermanual_0010__b1026623110310">Name</strong> parameter blank when adding a CNAME record set.</li><li id="dns_usermanual_0010__li1823414143234">You cannot create a CNAME record set with the same name and resolution line as an NS record set.</li></ul>
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</div>
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<div class="section" id="dns_usermanual_0010__section6412174644120"><h4 class="sectiontitle"><strong id="dns_usermanual_0010__b1439935953018">Procedure</strong></h4><ol id="dns_usermanual_0010__ol8609155464016"><li id="dns_usermanual_0010__en-us_topic_0035467699_li52833639155823">Log in to the management console.</li><li id="dns_usermanual_0010__en-us_topic_0035467699_li52641116155830">In the service list, choose <strong id="dns_usermanual_0010__dns_qs_0006_b61191316145"><span id="dns_usermanual_0010__dns_qs_0006_en-us_topic_0138290753_text142541144194510">Network</span><span id="dns_usermanual_0010__dns_qs_0006_en-us_topic_0138290753_text155146154515"></span></strong> > <strong id="dns_usermanual_0010__dns_qs_0006_b14571104062010">Domain Name Service</strong>.<p id="dns_usermanual_0010__dns_qs_0006_en-us_topic_0138290753_en-us_topic_0035467699_p179595731633">The DNS console is displayed.</p>
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</li><li id="dns_usermanual_0010__li61395879115716">In the navigation pane, choose <strong id="dns_usermanual_0010__dns_usermanual_0007_b25471535463">Public Zones</strong> or <strong id="dns_usermanual_0010__dns_usermanual_0007_b18400277463">Private Zones</strong>.<p id="dns_usermanual_0010__dns_usermanual_0007_p4157489104157">The zone list is displayed.</p>
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</li><li id="dns_usermanual_0010__li45255317204023">(Optional) If you have selected <strong id="dns_usermanual_0010__dns_usermanual_0007_b84235270695236">Private Zones</strong>, click <span><img id="dns_usermanual_0010__dns_usermanual_0007_image173881631115111" src="en-us_image_0000001906653140.png"></span> on the upper left corner to select the region and project.</li><li id="dns_usermanual_0010__li57832421115837">Click the domain name.</li><li id="dns_usermanual_0010__li147602027144118">Click <strong id="dns_usermanual_0010__dns_usermanual_0007_b1360114185916">Add Record Set</strong>.<p id="dns_usermanual_0010__dns_usermanual_0007_a57041818ee3b4a18801b83932fce907b">The <strong id="dns_usermanual_0010__dns_usermanual_0007_b1260184125913">Add Record Set</strong> dialog box is displayed.</p>
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</li><li id="dns_usermanual_0010__li613684841277">Configure the parameters based on <a href="#dns_usermanual_0010__t7e961b6fba5344d9a5d12668c805e2a7">Table 1</a>.
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<div class="tablenoborder"><a name="dns_usermanual_0010__t7e961b6fba5344d9a5d12668c805e2a7"></a><a name="t7e961b6fba5344d9a5d12668c805e2a7"></a><table cellpadding="4" cellspacing="0" summary="" id="dns_usermanual_0010__t7e961b6fba5344d9a5d12668c805e2a7" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters for adding a CNAME record set</caption><thead align="left"><tr id="dns_usermanual_0010__r8f4b49ca147c4462a0362c78fd0bf67f"><th align="left" class="cellrowborder" valign="top" width="17%" id="mcps1.3.3.2.7.2.2.4.1.1"><p id="dns_usermanual_0010__aa55224b8f6724450941dd76e60a69ba2"><strong id="dns_usermanual_0010__b29419149913">Parameter</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="61%" id="mcps1.3.3.2.7.2.2.4.1.2"><p id="dns_usermanual_0010__abd4e9fda13ec458cba8076d779124671"><strong>Description</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="22%" id="mcps1.3.3.2.7.2.2.4.1.3"><p id="dns_usermanual_0010__aad297e5e052d44bf9631f71d6a0583a1"><strong>Example Value</strong></p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="dns_usermanual_0010__rd07106e427a24dc48cdf21cfb528d21e"><td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.3.2.7.2.2.4.1.1 "><p id="dns_usermanual_0010__a853c12776b2d4bf0a0acd8f8b9e35d12">Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="61%" headers="mcps1.3.3.2.7.2.2.4.1.2 "><p id="dns_usermanual_0010__p498991411924">Prefix of the domain name to be resolved.</p>
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<p id="dns_usermanual_0010__p4490923311924">For example, if the domain name is <strong id="dns_usermanual_0010__dns_usermanual_0007_b10331683433">example.com</strong>, the prefix can be as follows:</p>
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<ul id="dns_usermanual_0010__ul62101617105015"><li id="dns_usermanual_0010__dns_usermanual_0007_li74912028142710"><strong id="dns_usermanual_0010__dns_usermanual_0007_b68691535154311">www</strong>: The domain name is www.example.com, which is usually used for a website.</li><li id="dns_usermanual_0010__dns_usermanual_0007_li7403112285516">Left blank: The domain name is example.com.<p id="dns_usermanual_0010__dns_usermanual_0007_p210152475518"><a name="dns_usermanual_0010__dns_usermanual_0007_li7403112285516"></a><a name="dns_usermanual_0007_li7403112285516"></a>The <strong id="dns_usermanual_0010__dns_usermanual_0007_b1244921444616">Name</strong> field cannot be set to an at sign (@). Just leave it blank.</p>
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</li><li id="dns_usermanual_0010__dns_usermanual_0007_li1749112284277"><strong id="dns_usermanual_0010__dns_usermanual_0007_b159141815184510">abc</strong>: The domain name is abc.example.com, a subdomain of example.com.</li><li id="dns_usermanual_0010__dns_usermanual_0007_li20491028142718"><strong id="dns_usermanual_0010__dns_usermanual_0007_b510014054612">mail</strong>: The domain name is mail.example.com, which is typically used for email servers.</li><li id="dns_usermanual_0010__dns_usermanual_0007_li184910286279"><strong id="dns_usermanual_0010__dns_usermanual_0007_b14337622174617">*</strong>: The domain name is *.example.com, which is a wildcard domain name, indicating all subdomains of example.com.</li></ul>
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</td>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.2.2.4.1.3 "><p id="dns_usermanual_0010__ae051bd6144dd4c5089404dc42de8754c">Left blank</p>
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</td>
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</tr>
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<tr id="dns_usermanual_0010__ree4409520d7f476d840dff4a8e95c2bd"><td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.3.2.7.2.2.4.1.1 "><p id="dns_usermanual_0010__a693c2dbbb0ad4a9a84064c776d307a3a">Type</p>
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</td>
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<td class="cellrowborder" valign="top" width="61%" headers="mcps1.3.3.2.7.2.2.4.1.2 "><p id="dns_usermanual_0010__ad5848d00fa644a619405c2eca114014e">Type of the record set</p>
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<p id="dns_usermanual_0010__p8911154710176">A message may be displayed indicating that the record set you are trying to add conflicts with an existing record set.</p>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.2.2.4.1.3 "><p id="dns_usermanual_0010__p134117018432">CNAME – Map one domain to another</p>
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<tr id="dns_usermanual_0010__r1f2d805c994947ef84e4c81b769ab545"><td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.3.2.7.2.2.4.1.1 "><p id="dns_usermanual_0010__a6a278aa4752c463ea3258b5406940dd1">TTL (s)</p>
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<td class="cellrowborder" valign="top" width="61%" headers="mcps1.3.3.2.7.2.2.4.1.2 "><p id="dns_usermanual_0010__p5888275712739">Cache duration of the record set on a local DNS server, in seconds.</p>
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<p id="dns_usermanual_0010__p103873299529">The value ranges from <strong id="dns_usermanual_0010__dns_usermanual_0007_b12340162774812">1</strong> to <strong id="dns_usermanual_0010__dns_usermanual_0007_b8804142484815">2147483647</strong>, and the default is <strong id="dns_usermanual_0010__dns_usermanual_0007_b986894618157">300</strong>.</p>
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<p id="dns_usermanual_0010__p7737113020523">If your service address changes frequently, set TTL to a smaller value.</p>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.2.2.4.1.3 "><p id="dns_usermanual_0010__p477403312739">300</p>
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</td>
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</tr>
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<tr id="dns_usermanual_0010__rfe19349730304adca58ddce7c87498ef"><td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.3.2.7.2.2.4.1.1 "><p id="dns_usermanual_0010__a77d210cd340646f2b2bbd073cb1bc706">Value</p>
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</td>
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<td class="cellrowborder" valign="top" width="61%" headers="mcps1.3.3.2.7.2.2.4.1.2 "><p id="dns_usermanual_0010__a5b67e4289ca344ddbae87e15d15e88be">Domain name alias. You can enter only one domain name.</p>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.2.2.4.1.3 "><p id="dns_usermanual_0010__p1396527123037">webserver01.example.com</p>
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<tr id="dns_usermanual_0010__row14781155652511"><td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.3.2.7.2.2.4.1.1 "><p id="dns_usermanual_0010__p1079616472617">Tag</p>
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<td class="cellrowborder" valign="top" width="61%" headers="mcps1.3.3.2.7.2.2.4.1.2 "><p id="dns_usermanual_0010__p1414134716167">(Optional) Identifier of a record set. Each tag contains a key and a value. You can add a maximum of 20 tags to a record set.</p>
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<p id="dns_usermanual_0010__p1480614410262">For details about tag key and value requirements, see <a href="#dns_usermanual_0010__table191971158112315">Table 2</a>.</p>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.2.2.4.1.3 "><p id="dns_usermanual_0010__p168174416269">example_key1</p>
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<p id="dns_usermanual_0010__p58186442618">example_value1</p>
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</td>
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</tr>
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<tr id="dns_usermanual_0010__row17850451133421"><td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.3.2.7.2.2.4.1.1 "><p id="dns_usermanual_0010__p42407063133426">Description</p>
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<td class="cellrowborder" valign="top" width="61%" headers="mcps1.3.3.2.7.2.2.4.1.2 "><p id="dns_usermanual_0010__p1143782915343">(Optional) Supplementary information about the record set.</p>
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<p id="dns_usermanual_0010__p17140145133253">You can enter a maximum of 255 characters.</p>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.2.2.4.1.3 "><p id="dns_usermanual_0010__p61658598133426">-</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="tablenoborder"><a name="dns_usermanual_0010__table191971158112315"></a><a name="table191971158112315"></a><table cellpadding="4" cellspacing="0" summary="" id="dns_usermanual_0010__table191971158112315" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Tag key and value requirements</caption><thead align="left"><tr id="dns_usermanual_0010__dns_usermanual_0007_r4f5fd2fecc60424eb20075f35572eeb0"><th align="left" class="cellrowborder" valign="top" width="16%" id="mcps1.3.3.2.7.3.2.4.1.1"><p id="dns_usermanual_0010__dns_usermanual_0007_en-us_topic_0035467699_p132908358173"><strong id="dns_usermanual_0010__dns_usermanual_0007_b20351137152119">Parameter</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="62%" id="mcps1.3.3.2.7.3.2.4.1.2"><p id="dns_usermanual_0010__dns_usermanual_0007_aa34a0c0cbae34a23b63e1882cf4a2c91"><strong id="dns_usermanual_0010__dns_usermanual_0007_b842352706171418">Requirements</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="22%" id="mcps1.3.3.2.7.3.2.4.1.3"><p id="dns_usermanual_0010__dns_usermanual_0007_aece629313e384a698796b7aff7821561">Example Value</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="dns_usermanual_0010__dns_usermanual_0007_rbb2718429c5141319dde3ac939f97ba9"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.7.3.2.4.1.1 "><p id="dns_usermanual_0010__dns_usermanual_0007_ae8044150f5804b42bd8632ccced6b72a">Key</p>
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<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.7.3.2.4.1.2 "><ul id="dns_usermanual_0010__dns_usermanual_0007_en-us_topic_0035467699_ul46253231183"><li id="dns_usermanual_0010__dns_usermanual_0007_ld4d43cb49f93464d9789eac5bd9e5f36">Cannot be left blank.</li><li id="dns_usermanual_0010__dns_usermanual_0007_ldcb5af7969f74a64877bb92ab6cd0a40">Must be unique for each resource.</li><li id="dns_usermanual_0010__dns_usermanual_0007_lf50b032d8e2640b4a6c1d5658daa90cf">Can contain a maximum of 36 characters.</li><li id="dns_usermanual_0010__dns_usermanual_0007_l9766567c2b2a4e2c9075dd7ae564e97b">Can contain only letters, digits, hyphens (-), at signs (@), and underscores (_).</li></ul>
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</td>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.3.2.4.1.3 "><p id="dns_usermanual_0010__dns_usermanual_0007_a6535efd5b28a446992be7db56bdbca33">example_key1</p>
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</td>
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</tr>
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<tr id="dns_usermanual_0010__dns_usermanual_0007_r89eaf5034c26447c8057d051da26301c"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.7.3.2.4.1.1 "><p id="dns_usermanual_0010__dns_usermanual_0007_afc435752da464fffb58242f1410f227f">Value</p>
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</td>
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<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.7.3.2.4.1.2 "><ul id="dns_usermanual_0010__dns_usermanual_0007_u388a9174749341a8a916b0093d32bc13"><li id="dns_usermanual_0010__dns_usermanual_0007_ld458706cbafd443eac83d3581f41a26e">Cannot be left blank.</li><li id="dns_usermanual_0010__dns_usermanual_0007_l868cdcac8a1341fbaf4d2d69a2f57349">Can contain a maximum of 43 characters.</li><li id="dns_usermanual_0010__dns_usermanual_0007_l9c52621309254b4b85042a22354a1195">Can contain only letters, digits, hyphens (-), at signs (@), and underscores (_).</li></ul>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.3.2.4.1.3 "><p id="dns_usermanual_0010__dns_usermanual_0007_en-us_topic_0035467699_p62904352179">example_value1</p>
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</li><li id="dns_usermanual_0010__li010614277123">Click <strong id="dns_usermanual_0010__b11756221101818">OK</strong>.</li><li id="dns_usermanual_0010__en-us_topic_0035467699_li4923490010251">Switch back to the <strong id="dns_usermanual_0010__dns_qs_0006_b196595717358">Record Sets</strong> tab.<p id="dns_usermanual_0010__dns_qs_0006_p121601730152714">The added record set is in the <strong id="dns_usermanual_0010__dns_qs_0006_b199714292810473">Normal</strong> state.</p>
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</li></ol>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dns_usermanual_0006.html">Adding Record Sets</a></div>
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