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>
150 lines
14 KiB
HTML
150 lines
14 KiB
HTML
<a name="dns_pd_0002"></a><a name="dns_pd_0002"></a>
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<h1 class="topictitle1">Permissions</h1>
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<div id="body8662426"><p id="dns_pd_0002__en-us_topic_0170232209_p98881041192815">If you need to assign different permissions to personnel in your enterprise to access your DNS resources, Identity and Access Management (IAM) is a good choice for fine-grained permissions management. IAM provides identity authentication, permissions management, and access control, helping you to securely access your cloud resources.</p>
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<p id="dns_pd_0002__en-us_topic_0170232209_p1788904114280">With IAM, you can create IAM users and assign permissions to control their access to specific resources. For example, if you want some software developers in your enterprise to use DNS resources but do not want them to delete DNS resources or perform any other high-risk operations, you can create IAM users and grant permission to use DNS resources but not permission to delete them.</p>
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<p id="dns_pd_0002__en-us_topic_0170232209_p588914412283">If your account does not require individual IAM users for permissions management, you can skip this section.</p>
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<p id="dns_pd_0002__en-us_topic_0170232209_p1488918412283">IAM is a free service. You only pay for the resources in your account.</p>
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<div class="section" id="dns_pd_0002__en-us_topic_0170232209_section13381828152912"><h4 class="sectiontitle">DNS Permissions</h4><p id="dns_pd_0002__p19723100175418">New IAM users do not have any permissions assigned by default. You need to first add them to one or more groups and attach policies or roles to these groups. The users then inherit permissions from the groups and can perform specified operations on cloud services based on the permissions they have been assigned.</p>
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<p id="dns_pd_0002__p528752320816">DNS resources include the following:</p>
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<ul id="dns_pd_0002__ul1023818541892"><li id="dns_pd_0002__li946082618106">Public zone: global-level resource</li><li id="dns_pd_0002__li202327376818">Private zone: project-level resource</li><li id="dns_pd_0002__li423819547913">PTR record: project-level resource</li></ul>
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<p id="dns_pd_0002__p16407174019128">DNS permissions for global-level resources cannot be set in the global service project and must be granted for each project.</p>
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<p id="dns_pd_0002__p105628161982">When you set <strong id="dns_pd_0002__b1713611168168">Scope</strong> to <strong id="dns_pd_0002__b213671612162">Region-specific projects</strong> and select the specified projects in the specified regions, the users only have permissions for DNS in the selected projects. If you set <strong id="dns_pd_0002__b161369161163">Scope</strong> to <strong id="dns_pd_0002__b513661617169">All resources</strong>, the users have permissions for DNS in all region-specific projects. When accessing DNS, the users need to switch to the authorized region.</p>
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<p id="dns_pd_0002__p1652114551517">You can grant permissions by using roles and policies.</p>
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<ul id="dns_pd_0002__ul10522459159"><li id="dns_pd_0002__li11521145171520">Roles: A coarse-grained authorization strategy provided by IAM to assign permissions based on users' job responsibilities. Only a limited number of service-level roles are available for authorization. Cloud services depend on each other. When you grant permissions using roles, you also need to attach dependent roles. Roles are not ideal for fine-grained authorization and least privilege access.</li><li id="dns_pd_0002__li35204561517">Policies: A fine-grained authorization strategy that defines permissions required to perform operations on specific cloud resources under certain conditions. This type of authorization is more flexible and is ideal for least privilege access. For example, you can grant users only permissions to manage DNS resources of a certain type. A majority of fine-grained policies contain permissions for specific APIs, and permissions are defined using API actions. For the API actions supported by DNS, see "Permissions and Supported Actions" in the <em id="dns_pd_0002__i883311411425">Domain Name Service API Reference</em>.</li></ul>
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<div class="p" id="dns_pd_0002__p62981465225"><a href="#dns_pd_0002__table815366162217">Table 1</a> lists system-defined permissions supported by DNS.
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<div class="tablenoborder"><a name="dns_pd_0002__table815366162217"></a><a name="table815366162217"></a><table cellpadding="4" cellspacing="0" summary="" id="dns_pd_0002__table815366162217" frame="border" border="1" rules="all"><caption><b>Table 1 </b>System-defined permissions for DNS</caption><thead align="left"><tr id="dns_pd_0002__row1129919642220"><th align="left" class="cellrowborder" valign="top" width="18.181818181818183%" id="mcps1.3.5.9.2.2.5.1.1"><p id="dns_pd_0002__p529926152212">Role/Policy Name</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="31.313131313131315%" id="mcps1.3.5.9.2.2.5.1.2"><p id="dns_pd_0002__p122996682212">Description</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="18.181818181818183%" id="mcps1.3.5.9.2.2.5.1.3"><p id="dns_pd_0002__p52991768226">Type</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="32.323232323232325%" id="mcps1.3.5.9.2.2.5.1.4"><p id="dns_pd_0002__p1299869223">Dependencies</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="dns_pd_0002__row930776162213"><td class="cellrowborder" valign="top" width="18.181818181818183%" headers="mcps1.3.5.9.2.2.5.1.1 "><p id="dns_pd_0002__p191581457172616">DNS Administrator</p>
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</td>
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<td class="cellrowborder" valign="top" width="31.313131313131315%" headers="mcps1.3.5.9.2.2.5.1.2 "><p id="dns_pd_0002__p12158125722615">Full permissions for DNS</p>
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</td>
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<td class="cellrowborder" valign="top" width="18.181818181818183%" headers="mcps1.3.5.9.2.2.5.1.3 "><p id="dns_pd_0002__p43074619225">System-defined role</p>
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</td>
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<td class="cellrowborder" valign="top" width="32.323232323232325%" headers="mcps1.3.5.9.2.2.5.1.4 "><p id="dns_pd_0002__p5787342321"><strong id="dns_pd_0002__b10854520227">Tenant Guest</strong> and <strong id="dns_pd_0002__b1654292229">VPC Administrator</strong>, which must be attached in the same project as the <strong id="dns_pd_0002__b178011838102816">DNS Administrator</strong> role</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>
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<p id="dns_pd_0002__p18932531193516"><a href="#dns_pd_0002__table175119544357">Table 2</a> lists common operations supported by system-defined permissions for DNS.</p>
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<div class="tablenoborder"><a name="dns_pd_0002__table175119544357"></a><a name="table175119544357"></a><table cellpadding="4" cellspacing="0" summary="" id="dns_pd_0002__table175119544357" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Common operations supported by system-defined permissions</caption><thead align="left"><tr id="dns_pd_0002__row0511145417357"><th align="left" class="cellrowborder" valign="top" width="49.29482874412358%" id="mcps1.3.5.11.2.3.1.1"><p id="dns_pd_0002__p951165433510">Operation</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="50.70517125587642%" id="mcps1.3.5.11.2.3.1.2"><p id="dns_pd_0002__p551265419354">DNS Administrator</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="dns_pd_0002__row1351285414355"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p1251255418351">Creating a public zone</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p1751245411351">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row1151225493515"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p1851255423517">Viewing a public zone</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p17512205453513">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row65121454103515"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p15121354193516">Modifying a public zone</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p10513125414355">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row4513195483510"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p151312548350">Deleting a public zone</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p65131354173520">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row451415414352"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p251495410355">Creating a private zone</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p0514165418353">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row3514654173517"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p18514135415358">Viewing a private zone</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p651425423514">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row1651435415351"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p11514354203519">Modifying a private zone</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p951535443513">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row115151354153510"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p1551555413358">Deleting a private zone</p>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p17515654153518">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row155155547351"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p1515195414352">Associating a VPC with a private zone</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p16515154103515">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row65151954103517"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p1451505433518">Disassociating a VPC from a private zone</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p2051645416356">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row11516554153517"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p1951675418359">Adding a record set</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p1851655415355">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row18516185433511"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p18516125483518">Viewing a record set</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p1851605411355">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row1951616541357"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p5516125417353">Modify a record set</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p75162544353">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row451625412359"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p7516125413351">Deleting a record set</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p1551712543351">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row4518054193515"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p16518354193513">Creating a PTR record</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p25181954203511">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row1951815420353"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p75181954193519">Viewing a PTR record</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p8518195414359">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row551835416356"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p105181549354">Modifying a PTR record</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p1351916542355">Supported</p>
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</td>
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</tr>
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<tr id="dns_pd_0002__row115191954183511"><td class="cellrowborder" valign="top" width="49.29482874412358%" headers="mcps1.3.5.11.2.3.1.1 "><p id="dns_pd_0002__p18519354143514">Deleting a PTR record</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.70517125587642%" headers="mcps1.3.5.11.2.3.1.2 "><p id="dns_pd_0002__p851975473513">Supported</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>
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<div class="section" id="dns_pd_0002__section94024820131"><h4 class="sectiontitle">Helpful Links</h4><ul id="dns_pd_0002__ul18849101317136"><li id="dns_pd_0002__li1684918131132"><a href="https://docs.otc.t-systems.com/usermanual/iam/iam_01_0026.html" target="_blank" rel="noopener noreferrer">IAM Service Overview</a></li><li id="dns_pd_0002__li134391925154211"><a href="dns_usermanual_0027.html">Creating a User and Granting DNS Permissions</a></li><li id="dns_pd_0002__li142044429422">"Permissions Policies and Supported Actions" in the <em id="dns_pd_0002__i104291431131018">Domain Name Service API Reference</em></li></ul>
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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="en-us_topic_0035204977.html">Overview</a></div>
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</div>
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</div>
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