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Qin Ying, Fan 9a9e02c671 DNS UMN 20240223 version 
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>
2024-06-07 13:20:48 +00:00

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<a name="dns_usermanual_0011"></a><a name="dns_usermanual_0011"></a>
<h1 class="topictitle1">Adding an MX Record Set</h1>
<div id="body1548760902270"><div class="section" id="dns_usermanual_0011__section187281084528"><h4 class="sectiontitle"><strong id="dns_usermanual_0011__b2512178163312">Scenarios</strong></h4><p id="dns_usermanual_0011__p1849014481545">If you want to map email servers to a domain name, you can add MX record sets.</p>
<p id="dns_usermanual_0011__p1032122565311">For details about other types of record sets, see <a href="dns_usermanual_0601.html">Record Set Types and Configuration Rules</a>.</p>
</div>
<div class="section" id="dns_usermanual_0011__section10284161715528"><h4 class="sectiontitle">Prerequisites</h4><p id="dns_usermanual_0011__p1914135195012">You have deployed an email server and obtained its domain name.</p>
</div>
<div class="section" id="dns_usermanual_0011__section6412174644120"><h4 class="sectiontitle"><strong id="dns_usermanual_0011__b7869165343415">Procedure</strong></h4><ol id="dns_usermanual_0011__ol15383181264119"><li id="dns_usermanual_0011__en-us_topic_0035467699_li52833639155823">Log in to the management console.</li><li id="dns_usermanual_0011__en-us_topic_0035467699_li52641116155830">In the service list, choose <strong id="dns_usermanual_0011__dns_qs_0006_b61191316145"><span id="dns_usermanual_0011__dns_qs_0006_en-us_topic_0138290753_text142541144194510">Network</span><span id="dns_usermanual_0011__dns_qs_0006_en-us_topic_0138290753_text155146154515"></span></strong> &gt; <strong id="dns_usermanual_0011__dns_qs_0006_b14571104062010">Domain Name Service</strong>.<p id="dns_usermanual_0011__dns_qs_0006_en-us_topic_0138290753_en-us_topic_0035467699_p179595731633">The DNS console is displayed.</p>
</li><li id="dns_usermanual_0011__li61395879115716">In the navigation pane, choose <strong id="dns_usermanual_0011__dns_usermanual_0007_b25471535463">Public Zones</strong> or <strong id="dns_usermanual_0011__dns_usermanual_0007_b18400277463">Private Zones</strong>.<p id="dns_usermanual_0011__dns_usermanual_0007_p4157489104157">The zone list is displayed.</p>
</li><li id="dns_usermanual_0011__li45255317204023">(Optional) If you have selected <strong id="dns_usermanual_0011__dns_usermanual_0007_b84235270695236">Private Zones</strong>, click <span><img id="dns_usermanual_0011__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_0011__li57832421115837">Click the domain name.</li><li id="dns_usermanual_0011__li147602027144118">Click <strong id="dns_usermanual_0011__dns_usermanual_0007_b1360114185916">Add Record Set</strong>.<p id="dns_usermanual_0011__dns_usermanual_0007_a57041818ee3b4a18801b83932fce907b">The <strong id="dns_usermanual_0011__dns_usermanual_0007_b1260184125913">Add Record Set</strong> dialog box is displayed.</p>
</li><li id="dns_usermanual_0011__li613684841277">Configure the parameters based on <a href="#dns_usermanual_0011__td3830bff2b1749ca977ebf2237a18cd8">Table 1</a>.
<div class="tablenoborder"><a name="dns_usermanual_0011__td3830bff2b1749ca977ebf2237a18cd8"></a><a name="td3830bff2b1749ca977ebf2237a18cd8"></a><table cellpadding="4" cellspacing="0" summary="" id="dns_usermanual_0011__td3830bff2b1749ca977ebf2237a18cd8" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters for adding an MX record set</caption><thead align="left"><tr id="dns_usermanual_0011__row40985647123146"><th align="left" class="cellrowborder" valign="top" width="16%" id="mcps1.3.3.2.7.2.2.4.1.1"><p id="dns_usermanual_0011__p31503124123146"><strong>Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="62%" id="mcps1.3.3.2.7.2.2.4.1.2"><p id="dns_usermanual_0011__p1616237123146"><strong>Description</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="22%" id="mcps1.3.3.2.7.2.2.4.1.3"><p id="dns_usermanual_0011__p63806371123146"><strong>Example Value</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="dns_usermanual_0011__row933533123146"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.7.2.2.4.1.1 "><p id="dns_usermanual_0011__p8507331123146">Name</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.7.2.2.4.1.2 "><p id="dns_usermanual_0011__p498991411924">Prefix of the domain name to be resolved.</p>
<p id="dns_usermanual_0011__p4490923311924">For example, if the domain name is <strong id="dns_usermanual_0011__dns_usermanual_0007_b10331683433">example.com</strong>, the prefix can be as follows:</p>
<ul id="dns_usermanual_0011__ul62101617105015"><li id="dns_usermanual_0011__dns_usermanual_0007_li74912028142710"><strong id="dns_usermanual_0011__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_0011__dns_usermanual_0007_li7403112285516">Left blank: The domain name is example.com.<p id="dns_usermanual_0011__dns_usermanual_0007_p210152475518"><a name="dns_usermanual_0011__dns_usermanual_0007_li7403112285516"></a><a name="dns_usermanual_0007_li7403112285516"></a>The <strong id="dns_usermanual_0011__dns_usermanual_0007_b1244921444616">Name</strong> field cannot be set to an at sign (@). Just leave it blank.</p>
</li><li id="dns_usermanual_0011__dns_usermanual_0007_li1749112284277"><strong id="dns_usermanual_0011__dns_usermanual_0007_b159141815184510">abc</strong>: The domain name is abc.example.com, a subdomain of example.com.</li><li id="dns_usermanual_0011__dns_usermanual_0007_li20491028142718"><strong id="dns_usermanual_0011__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_0011__dns_usermanual_0007_li184910286279"><strong id="dns_usermanual_0011__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>
</td>
<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.2.2.4.1.3 "><p id="dns_usermanual_0011__p1195486695028">Left blank</p>
</td>
</tr>
<tr id="dns_usermanual_0011__row26983954123146"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.7.2.2.4.1.1 "><p id="dns_usermanual_0011__p38216656123146">Type</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.7.2.2.4.1.2 "><p id="dns_usermanual_0011__p8541435123146">Type of the record set</p>
<p id="dns_usermanual_0011__p8911154710176">A message may be displayed indicating that the record set you are trying to add conflicts with an existing record set.</p>
</td>
<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.2.2.4.1.3 "><p id="dns_usermanual_0011__p204561425134318">MX – Map domains to email servers</p>
</td>
</tr>
<tr id="dns_usermanual_0011__row52690765123146"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.7.2.2.4.1.1 "><p id="dns_usermanual_0011__p40093542123146">TTL (s)</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.7.2.2.4.1.2 "><p id="dns_usermanual_0011__p5888275712739">Cache duration of the record set on a local DNS server, in seconds.</p>
<p id="dns_usermanual_0011__p103873299529">The value ranges from <strong id="dns_usermanual_0011__dns_usermanual_0007_b12340162774812">1</strong> to <strong id="dns_usermanual_0011__dns_usermanual_0007_b8804142484815">2147483647</strong>, and the default is <strong id="dns_usermanual_0011__dns_usermanual_0007_b986894618157">300</strong>.</p>
<p id="dns_usermanual_0011__p7737113020523">If your service address changes frequently, set TTL to a smaller value.</p>
</td>
<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.2.2.4.1.3 "><p id="dns_usermanual_0011__p477403312739">300</p>
</td>
</tr>
<tr id="dns_usermanual_0011__row17058403123146"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.7.2.2.4.1.1 "><p id="dns_usermanual_0011__p39553441123146">Value</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.7.2.2.4.1.2 "><p id="dns_usermanual_0011__p395310183518">Email server address</p>
<p id="dns_usermanual_0011__p19845113674112">You can enter a maximum of 50 record values, each on a separate line.</p>
<p id="dns_usermanual_0011__p7599103820417">The format is <strong id="dns_usermanual_0011__b36594589519">[priority][mail server host name]</strong>.</p>
<div class="p" id="dns_usermanual_0011__p937434154111">Configuration rules:<ul id="dns_usermanual_0011__ul78353231045"><li id="dns_usermanual_0011__li48365231949"><strong id="dns_usermanual_0011__b13219314524">priority</strong>: priority for an email server to receive emails. A smaller value indicates a higher priority.</li><li id="dns_usermanual_0011__li983614233412"><strong id="dns_usermanual_0011__b1247713220526">mail server host name</strong>: domain name provided by the email service provider</li></ul>
</div>
</td>
<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.2.2.4.1.3 "><p id="dns_usermanual_0011__a298c2074edd64bd694c2796cc0f4d207">10 mailserver.example.com.</p>
</td>
</tr>
<tr id="dns_usermanual_0011__row17185193111276"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.7.2.2.4.1.1 "><p id="dns_usermanual_0011__p10406539102715">Tag</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.7.2.2.4.1.2 "><p id="dns_usermanual_0011__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>
<p id="dns_usermanual_0011__p74162039142714">For details about tag key and value requirements, see <a href="#dns_usermanual_0011__table191971158112315">Table 2</a>.</p>
</td>
<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.2.2.4.1.3 "><p id="dns_usermanual_0011__p7423139192714">example_key1</p>
<p id="dns_usermanual_0011__p1428103913279">example_value1</p>
</td>
</tr>
<tr id="dns_usermanual_0011__row31966209133453"><td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.7.2.2.4.1.1 "><p id="dns_usermanual_0011__p3764367133458">Description</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.7.2.2.4.1.2 "><p id="dns_usermanual_0011__p1143782915343">(Optional) Supplementary information about the record set.</p>
<p id="dns_usermanual_0011__p17140145133253">You can enter a maximum of 255 characters.</p>
</td>
<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.2.2.4.1.3 "><p id="dns_usermanual_0011__p17597507133458">-</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="dns_usermanual_0011__table191971158112315"></a><a name="table191971158112315"></a><table cellpadding="4" cellspacing="0" summary="" id="dns_usermanual_0011__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_0011__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_0011__dns_usermanual_0007_en-us_topic_0035467699_p132908358173"><strong id="dns_usermanual_0011__dns_usermanual_0007_b20351137152119">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="62%" id="mcps1.3.3.2.7.3.2.4.1.2"><p id="dns_usermanual_0011__dns_usermanual_0007_aa34a0c0cbae34a23b63e1882cf4a2c91"><strong id="dns_usermanual_0011__dns_usermanual_0007_b842352706171418">Requirements</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="22%" id="mcps1.3.3.2.7.3.2.4.1.3"><p id="dns_usermanual_0011__dns_usermanual_0007_aece629313e384a698796b7aff7821561">Example Value</p>
</th>
</tr>
</thead>
<tbody><tr id="dns_usermanual_0011__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_0011__dns_usermanual_0007_ae8044150f5804b42bd8632ccced6b72a">Key</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.7.3.2.4.1.2 "><ul id="dns_usermanual_0011__dns_usermanual_0007_en-us_topic_0035467699_ul46253231183"><li id="dns_usermanual_0011__dns_usermanual_0007_ld4d43cb49f93464d9789eac5bd9e5f36">Cannot be left blank.</li><li id="dns_usermanual_0011__dns_usermanual_0007_ldcb5af7969f74a64877bb92ab6cd0a40">Must be unique for each resource.</li><li id="dns_usermanual_0011__dns_usermanual_0007_lf50b032d8e2640b4a6c1d5658daa90cf">Can contain a maximum of 36 characters.</li><li id="dns_usermanual_0011__dns_usermanual_0007_l9766567c2b2a4e2c9075dd7ae564e97b">Can contain only letters, digits, hyphens (-), at signs (@), and underscores (_).</li></ul>
</td>
<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.3.2.4.1.3 "><p id="dns_usermanual_0011__dns_usermanual_0007_a6535efd5b28a446992be7db56bdbca33">example_key1</p>
</td>
</tr>
<tr id="dns_usermanual_0011__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_0011__dns_usermanual_0007_afc435752da464fffb58242f1410f227f">Value</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.7.3.2.4.1.2 "><ul id="dns_usermanual_0011__dns_usermanual_0007_u388a9174749341a8a916b0093d32bc13"><li id="dns_usermanual_0011__dns_usermanual_0007_ld458706cbafd443eac83d3581f41a26e">Cannot be left blank.</li><li id="dns_usermanual_0011__dns_usermanual_0007_l868cdcac8a1341fbaf4d2d69a2f57349">Can contain a maximum of 43 characters.</li><li id="dns_usermanual_0011__dns_usermanual_0007_l9c52621309254b4b85042a22354a1195">Can contain only letters, digits, hyphens (-), at signs (@), and underscores (_).</li></ul>
</td>
<td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.7.3.2.4.1.3 "><p id="dns_usermanual_0011__dns_usermanual_0007_en-us_topic_0035467699_p62904352179">example_value1</p>
</td>
</tr>
</tbody>
</table>
</div>
</li><li id="dns_usermanual_0011__li010614277123">Click <strong id="dns_usermanual_0011__b10303112751817">OK</strong>.</li><li id="dns_usermanual_0011__en-us_topic_0035467699_li4923490010251">Switch back to the <strong id="dns_usermanual_0011__dns_qs_0006_b196595717358">Record Sets</strong> tab.<p id="dns_usermanual_0011__dns_qs_0006_p121601730152714">The added record set is in the <strong id="dns_usermanual_0011__dns_qs_0006_b199714292810473">Normal</strong> state.</p>
</li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dns_usermanual_0006.html">Adding Record Sets</a></div>
</div>
</div>
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