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Qin Ying, Fan
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Reviewed-by: Kucerak, Kristian <kristian.kucerak@t-systems.com> Co-authored-by: Qin Ying, Fan <fanqinying@huawei.com> Co-committed-by: Qin Ying, Fan <fanqinying@huawei.com>
114 lines
13 KiB
HTML
114 lines
13 KiB
HTML
<a name="dns_usermanual_0015"></a><a name="dns_usermanual_0015"></a>
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<h1 class="topictitle1">Adding a PTR Record</h1>
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<div id="body1548760902270"><div class="section" id="dns_usermanual_0015__section187281084528"><h4 class="sectiontitle"><strong id="dns_usermanual_0015__b105551532521">Scenarios</strong></h4><p id="dns_usermanual_0015__p1849014481545">You can create PTR records to map private IP addresses to private domain names.</p>
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<p id="dns_usermanual_0015__p1032122565311">For details about other record set types, see <a href="dns_usermanual_0035.html">Overview</a>.</p>
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</div>
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<div class="section" id="dns_usermanual_0015__section10284161715528"><h4 class="sectiontitle">Constraints</h4><ul id="dns_usermanual_0015__ul1724235164811"><li id="dns_usermanual_0015__li52434511483">You can create PTR records only in private zones.</li><li id="dns_usermanual_0015__li866215587486">PTR records take effect only in a private zone whose domain name suffix is in-addr.arpa.<p id="dns_usermanual_0015__p3335115620371"><a name="dns_usermanual_0015__li866215587486"></a><a name="li866215587486"></a>For details about how to add a PTR record for a public domain name, see <a href="en-us_topic_0077500015.html">Creating a PTR Record</a>.</p>
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</li></ul>
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</div>
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<div class="section" id="dns_usermanual_0015__section46571720104919"><h4 class="sectiontitle"><strong id="dns_usermanual_0015__b135897422374">Procedure</strong></h4><ol id="dns_usermanual_0015__ol17542104182445"><li id="dns_usermanual_0015__li21168153182445">Log in to the management console.</li><li id="dns_usermanual_0015__li16568687183919">In the service list, choose <strong id="dns_usermanual_0015__en-us_topic_0035467699_b253764512375">Network</strong> > <strong id="dns_usermanual_0015__en-us_topic_0035467699_b561505711379">Domain Name Service</strong>.<p id="dns_usermanual_0015__en-us_topic_0035467699_en-us_topic_0035467699_p179595731633">The DNS console is displayed.</p>
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</li></ol><ol start="3" id="dns_usermanual_0015__ol44805021215"><li id="dns_usermanual_0015__li61395879115716">In the navigation pane, choose <strong id="dns_usermanual_0015__dns_qs_0006_b842352706202035">Private Zones</strong>.<p id="dns_usermanual_0015__dns_qs_0006_en-us_topic_0035467699_p5173372716550">The <strong id="dns_usermanual_0015__dns_qs_0006_b84235270618511">Private Zones</strong> page is displayed.</p>
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</li><li id="dns_usermanual_0015__li15599121202015">Click <span><img id="dns_usermanual_0015__dns_qs_0006_image18511144023210" src="en-us_image_0148391090.png"></span> in the upper left corner and select the desired region and project.</li><li id="dns_usermanual_0015__li57832421115837">Click the zone name.</li><li id="dns_usermanual_0015__li147602027144118">Click <strong id="dns_usermanual_0015__dns_usermanual_0007_b1360114185916">Add Record Set</strong>.<p id="dns_usermanual_0015__dns_usermanual_0007_a57041818ee3b4a18801b83932fce907b">The <strong id="dns_usermanual_0015__dns_usermanual_0007_b1260184125913">Add Record Set</strong> dialog box is displayed.</p>
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</li></ol><ol start="7" id="dns_usermanual_0015__ol59320072113848"><li id="dns_usermanual_0015__li613684841277">Set required parameters based on <a href="#dns_usermanual_0015__table6260239895544">Table 1</a>.
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<div class="tablenoborder"><a name="dns_usermanual_0015__table6260239895544"></a><a name="table6260239895544"></a><table cellpadding="4" cellspacing="0" summary="" id="dns_usermanual_0015__table6260239895544" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters for adding a PTR record</caption><thead align="left"><tr id="dns_usermanual_0015__row897191795544"><th align="left" class="cellrowborder" valign="top" width="16%" id="mcps1.3.3.5.1.2.2.4.1.1"><p id="dns_usermanual_0015__p5563669295544"><strong>Parameter</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="62%" id="mcps1.3.3.5.1.2.2.4.1.2"><p id="dns_usermanual_0015__p1027823295544"><strong>Description</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="22%" id="mcps1.3.3.5.1.2.2.4.1.3"><p id="dns_usermanual_0015__p2723046495544"><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_0015__row5818398995544"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.5.1.2.2.4.1.1 "><p id="dns_usermanual_0015__p1528265495544">Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.5.1.2.2.4.1.2 "><p id="dns_usermanual_0015__p2993546095544">Name of the PTR record </p>
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</td>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.5.1.2.2.4.1.3 "><p id="dns_usermanual_0015__p1150727695544">10.1.168</p>
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<p id="dns_usermanual_0015__p3645662495544">For example, if the IP address is 192.168.1.10, the domain name in the PTR record is <strong id="dns_usermanual_0015__b1994811564454">10.1.168.192.in-addr.arpa</strong>.</p>
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<ul id="dns_usermanual_0015__ul772510438411"><li id="dns_usermanual_0015__li16725124312418">If the private zone name is 192.in-addr.arpa, enter <strong id="dns_usermanual_0015__b84235270615827">10.1.168</strong> in the box.</li><li id="dns_usermanual_0015__li16272201077">If the private zone name is 1.168.192.in-addr.arpa, enter <strong id="dns_usermanual_0015__b2019836890">10</strong> in the box.</li></ul>
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</td>
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</tr>
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<tr id="dns_usermanual_0015__row5967416095544"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.5.1.2.2.4.1.1 "><p id="dns_usermanual_0015__p176882195544">Type</p>
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</td>
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<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.5.1.2.2.4.1.2 "><p id="dns_usermanual_0015__p905683595544">Type of the record set</p>
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<p id="dns_usermanual_0015__p8911154710176">If a message is displayed indicating that the record set you are trying to create exists, the record set conflicts with an existing record set.</p>
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</td>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.5.1.2.2.4.1.3 "><p id="dns_usermanual_0015__p17976737164517">PTR – Map IP addresses to domains</p>
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</td>
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</tr>
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<tr id="dns_usermanual_0015__row2576416995544"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.5.1.2.2.4.1.1 "><p id="dns_usermanual_0015__p652296395544">TTL (s)</p>
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</td>
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<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.5.1.2.2.4.1.2 "><p id="dns_usermanual_0015__p5888275712739">Cache duration of the record set on a local DNS server, in seconds</p>
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<p id="dns_usermanual_0015__p103873299529">The value ranges from <strong id="dns_usermanual_0015__dns_usermanual_0007_b12340162774812">1</strong> to <strong id="dns_usermanual_0015__dns_usermanual_0007_b8804142484815">2147483647</strong>, and the default is <strong id="dns_usermanual_0015__dns_usermanual_0007_b986894618157">300</strong>.</p>
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<p id="dns_usermanual_0015__p7737113020523">If your service address changes frequently, set TTL to a smaller value.</p>
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</td>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.5.1.2.2.4.1.3 "><p id="dns_usermanual_0015__p477403312739">The default value is <strong id="dns_usermanual_0015__dns_usermanual_0007_b13495124172916">300</strong>, which is, 5 minutes.</p>
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</td>
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</tr>
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<tr id="dns_usermanual_0015__row3669394995544"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.5.1.2.2.4.1.1 "><p id="dns_usermanual_0015__p1941991095544">Value</p>
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</td>
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<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.5.1.2.2.4.1.2 "><p id="dns_usermanual_0015__p2950884795544">Private domain name mapped to the private IP address. You can enter only one domain name.</p>
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</td>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.5.1.2.2.4.1.3 "><p id="dns_usermanual_0015__p4833148395544">host.example.com.</p>
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</td>
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</tr>
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<tr id="dns_usermanual_0015__row257814332309"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.5.1.2.2.4.1.1 "><p id="dns_usermanual_0015__p125271425301">Tags</p>
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</td>
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<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.5.1.2.2.4.1.2 "><p id="dns_usermanual_0015__p1414134716167">(Optional) Identifier of a resource</p>
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<p id="dns_usermanual_0015__p98832015181812">Each tag contains a key and a value. You can add a maximum of 20 tags to a record set. This parameter is displayed when you enable <strong id="dns_usermanual_0015__dns_usermanual_0007_b1487533711226">Other Settings</strong>.</p>
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<p id="dns_usermanual_0015__p1353994283013">For details about tag key and value requirements, see <a href="#dns_usermanual_0015__table191971158112315">Table 2</a>.</p>
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</td>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.5.1.2.2.4.1.3 "><p id="dns_usermanual_0015__p165498428308">example_key1</p>
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<p id="dns_usermanual_0015__p14553184210305">example_value1</p>
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</td>
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</tr>
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<tr id="dns_usermanual_0015__row3233016395544"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.5.1.2.2.4.1.1 "><p id="dns_usermanual_0015__p149754295544">Description</p>
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</td>
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<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.5.1.2.2.4.1.2 "><p id="dns_usermanual_0015__p1143782915343">(Optional) Supplementary information about the record set</p>
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<p id="dns_usermanual_0015__p17140145133253">You can enter a maximum of 255 characters.</p>
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</td>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.5.1.2.2.4.1.3 "><p id="dns_usermanual_0015__p2748282695544">-</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_0015__table191971158112315"></a><a name="table191971158112315"></a><table cellpadding="4" cellspacing="0" summary="" id="dns_usermanual_0015__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_0015__dns_usermanual_0007_r4f5fd2fecc60424eb20075f35572eeb0"><th align="left" class="cellrowborder" valign="top" width="16%" id="mcps1.3.3.5.1.3.2.4.1.1"><p id="dns_usermanual_0015__dns_usermanual_0007_en-us_topic_0035467699_p132908358173"><strong>Parameter</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="62%" id="mcps1.3.3.5.1.3.2.4.1.2"><p id="dns_usermanual_0015__dns_usermanual_0007_aa34a0c0cbae34a23b63e1882cf4a2c91"><strong id="dns_usermanual_0015__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="mcps1.3.3.5.1.3.2.4.1.3"><p id="dns_usermanual_0015__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_0015__dns_usermanual_0007_rbb2718429c5141319dde3ac939f97ba9"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.5.1.3.2.4.1.1 "><p id="dns_usermanual_0015__dns_usermanual_0007_ae8044150f5804b42bd8632ccced6b72a">Key</p>
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</td>
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<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.5.1.3.2.4.1.2 "><ul id="dns_usermanual_0015__dns_usermanual_0007_en-us_topic_0035467699_ul46253231183"><li id="dns_usermanual_0015__dns_usermanual_0007_ld4d43cb49f93464d9789eac5bd9e5f36">Cannot be left blank.</li><li id="dns_usermanual_0015__dns_usermanual_0007_ldcb5af7969f74a64877bb92ab6cd0a40">Must be unique for each resource.</li><li id="dns_usermanual_0015__dns_usermanual_0007_lf50b032d8e2640b4a6c1d5658daa90cf">Can contain a maximum of 36 characters.</li></ul>
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</td>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.5.1.3.2.4.1.3 "><p id="dns_usermanual_0015__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_0015__dns_usermanual_0007_r89eaf5034c26447c8057d051da26301c"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.5.1.3.2.4.1.1 "><p id="dns_usermanual_0015__dns_usermanual_0007_afc435752da464fffb58242f1410f227f">Value</p>
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</td>
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<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.5.1.3.2.4.1.2 "><ul id="dns_usermanual_0015__dns_usermanual_0007_u388a9174749341a8a916b0093d32bc13"><li id="dns_usermanual_0015__dns_usermanual_0007_ld458706cbafd443eac83d3581f41a26e">Cannot be left blank.</li><li id="dns_usermanual_0015__dns_usermanual_0007_l868cdcac8a1341fbaf4d2d69a2f57349">Can contain a maximum of 43 characters.</li></ul>
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</td>
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<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.5.1.3.2.4.1.3 "><p id="dns_usermanual_0015__dns_usermanual_0007_en-us_topic_0035467699_p62904352179">example_value1</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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</li><li id="dns_usermanual_0015__li010614277123">Click <strong id="dns_usermanual_0015__b18382134311182">OK</strong>.</li><li id="dns_usermanual_0015__en-us_topic_0035467699_li4923490010251">Switch back to the <strong id="dns_usermanual_0015__dns_qs_0006_b551763234215">Record Sets</strong> page.<p id="dns_usermanual_0015__dns_qs_0006_p677473481417">View the added record set in the record set list of the zone and ensure that the status of the record set is <strong id="dns_usermanual_0015__dns_qs_0006_b73956595510">Normal</strong>.</p>
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</li></ol>
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</div>
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<div class="section" id="dns_usermanual_0015__section18984203717105"><h4 class="sectiontitle">Related Operations</h4><p id="dns_usermanual_0015__p46293118373">For more information, see <a href="dns_faq_031.html">How Can I Configure a PTR Record to Map the IP Address of an ECS to a Domain Name?</a></p>
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</div>
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</div>
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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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