1 2 3<!doctype html> 4<html> 5<head> 6 <title>Domain Name Services</title> 7 8 <meta charset="utf-8" /> 9 <meta http-equiv="Content-type" content="text/html; charset=utf-8" /> 10 <meta name="viewport" content="width=device-width, initial-scale=1" /> 11 12 <link rel="stylesheet" href="/static/css/iana_website.0feeb53883fa.css"/> 13 <link rel="shortcut icon" type="image/ico" href="/static/img/bookmark_icon.e14a2530b3e9.ico"/> 14
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16 17 18 19</head> 20 21<body> 22 23 24 25<header> 26 <div id="header"> 27 <div id="logo"> 28 <a href="/"><img src="/static/img/iana-logo-header.426b3ac01d35.svg" alt="Homepage"/></a> 29 </div> 30 <div class="navigation"> 31 <ul> 32 <li><a href="/domains">Domains</a></li> 33 <li><a href="/protocols">Protocols</a></li> 34 <li><a href="/numbers">Numbers</a></li> 35 <li><a href="/about">About</a></li> 36 </ul> 37 </div> 38 </div> 39 40 41</header> 42 43 44<div id="body"> 45 46 47<article class="hemmed sidenav"> 48 49 <main> 50 51 52 <h1>Domain Name Services</h1> 53 54 <p>We operate and maintain a number of key aspects of the DNS, including the root zone, and 55 the <span class="domain">.int</span> and <span class="domain">.arpa</span> domains.</p> 56 57 <ul class="tile-grid"> 58 <li> 59 <a class="tile" href="/domains/root"> 60 <img class="tile-icon" src="/static/icons/globe.svg" alt=""> 61 <h2>The DNS Root Zone</h2> 62 <p>The root is the upper-most part of the DNS hierarchy, and involves delegating administrative 63 responsibility of “top-level domains”, which are the last segment of a domain name.</p> 64 </a> 65 </li> 66 <li> 67 <a class="tile" href="/domains/int"> 68 <img class="tile-icon" src="/static/icons/building.svg" alt=""> 69 <h2>.INT</h2> 70 <p>The <span class="domain">.int</span> top-level domain, designed for the sole use of 71 cross-national organisations, such as treaty organisations, that do not naturally fit into a 72 specific country’s top-level domain.</p> 73 </a> 74 </li> 75 <li> 76 <a class="tile" href="/domains/arpa"> 77 <img class="tile-icon" src="/static/icons/server.svg" alt=""> 78 <h2>.ARPA</h2> 79 <p>The <span class="domain">.arpa</span> domain is used internally by Internet protocols for 80 purposes not designed to be directly accessed, as defined in various technical standards.</p> 81 </a> 82 </li> 83 <li> 84 <a class="tile" href="/domains/idn-tables"> 85 <img class="tile-icon" src="/static/icons/letterforms.svg" alt=""> 86 <h2>IDN Practices Repository</h2> 87 <p>A repository of permissible characters for different languages and writing systems provided for 88 registration by different domain registries, helping to foster internationalization.</p> 89 </a> 90 </li> 91 <li> 92 <a class="tile" href="/dnssec"> 93 <img class="tile-icon" src="/static/icons/shield.svg" alt=""> 94 <h2>Root Key Signing Key (DNSSEC)</h2> 95 <p>The Root Key Signing Key provides verification of the DNSSEC-signed root zone, administered 96 through public key signing ceremonies and serving as the DNS trust anchor.</p> 97 </a> 98 </li> 99 <li> 100 <a class="tile" href="/domains/reserved"> 101 <img class="tile-icon" src="/static/icons/velvet-rope.svg" alt=""> 102 <h2>Reserved Domains</h2> 103 <p>Specially designated domains that are held to serve specialized purposes, such 104 as avoiding conflicts with potential real-world usage. 105 </p> 106 </a> 107 </li> 108 </ul> 109 110 111 </main> 112 113 <nav id="sidenav"> 114 115 116<div class="navigation_box"> 117 <h2>Domain Names</h2> 118 <ul> 119 <li id="nav_dom_top"><a href="/domains">Overview</a></li> 120 <li id="nav_dom_root"><a href="/domains/root">Root Zone Management</a></li> 121 <ul id="nav_dom_root_sub"> 122 <li id="nav_dom_root_top"><a href="/domains/root">Overview</a></li> 123 <li id="nav_dom_root_db"><a href="/domains/root/db">Top-Level Domains</a></li> 124 <li id="nav_dom_root_files"><a href="/domains/root/files">Files and Downloads</a></li> 125 <li id="nav_dom_root_manage"><a href="/domains/root/manage">Manage Delegations</a></li> 126 <li id="nav_dom_root_procedures"><a href="/domains/root/help">Instructions & Guides</a></li> 127 </ul> 128 <li id="nav_dom_int"><a href="/domains/int">.INT Registry</a></li> 129 <ul id="nav_dom_int_sub"> 130 <li id="nav_dom_int_top"><a href="/domains/int">Overview</a></li> 131 <li id="nav_dom_int_manage"><a href="/domains/int/manage">Register/modify an .INT domain</a></li> 132 <li id="nav_dom_int_policy"><a href="/domains/int/policy">Eligibility</a></li> 133 </ul> 134 <li id="nav_dom_arpa"><a href="/domains/arpa">.ARPA Registry</a></li> 135 <li id="nav_dom_idn"><a href="/domains/idn-tables">IDN Practices Repository</a></li> 136 <ul id="nav_dom_idn_sub"> 137 <li id="nav_dom_idn_top"><a href="/domains/idn-tables">Overview</a></li> 138 <!-- <li id="nav_dom_idn_tables"><a href="/domains/idn-tables/db">Tables</a></li> --> 139 <li id="nav_dom_idn_submit"><a href="/help/idn-repository-procedure">Submit a table</a></li> 140 </ul> 141 <li id="nav_dom_dnssec"><a href="/dnssec">Root Key Signing Key (DNSSEC)</a></li> 142 <ul id="nav_dom_dnssec_sub"> 143 <li id="nav_dom_dnssec_top"><a href="/dnssec">Overview</a></li> 144 <li id="nav_dom_dnssec_ksk"><a href="/dnssec/files">Trust Anchors and Rollovers</a></li> 145 <li id="nav_dom_dnssec_ceremonies"><a href="/dnssec/ceremonies">Key Signing Ceremonies</a></li> 146 <li id="nav_dom_dnssec_dps"><a href="/dnssec/procedures">Policies & Procedures</a></li> 147 <li id="nav_dom_dnssec_tcrs"><a href="/dnssec/tcrs">Community Representatives</a></li> 148 149 </ul> 150 <li id="nav_dom_special"><a href="/domains/reserved">Reserved Domains</a></li> 151 </ul> 152</div> 153 154 155 </nav> 156 157</article> 158 159 160</div> 161 162<footer> 163 <div id="footer"> 164 <table class="navigation"> 165 <tr> 166 <td class="section"><a href="/domains">Domain Names</a></td> 167 <td class="subsection"> 168 <ul> 169 <li><a href="/domains/root">Root Zone Registry</a></li> 170 <li><a href="/domains/int">.INT Registry</a></li> 171 <li><a href="/domains/arpa">.ARPA Registry</a></li> 172 <li><a href="/domains/idn-tables">IDN Repository</a></li> 173 </ul> 174 </td> 175 </tr> 176 <tr> 177 <td class="section"><a href="/numbers">Number Resources</a></td> 178 <td class="subsection"> 179 <ul> 180 <li><a href="/numbers/registries">Number Registries</a></li> 181 <li><a href="/numbers/allocations/">RIR Allocation Data</a></li> 182 <li><a href="/help/abuse">Abuse Information</a></li> 183 </ul> 184 </td> 185 </tr> 186 <tr> 187 <td class="section"><a href="/protocols">Protocols</a></td> 188 <td class="subsection"> 189 <ul> 190 <li><a href="/protocols">Protocol Registries</a></li> 191 <li><a href="/time-zones">Time Zone Database</a></li> 192 </ul> 193 </td> 194 </tr> 195 <tr> 196 <td class="section"><a href="/about">About Us</a></td> 197 <td class="subsection"> 198 <ul> 199 <li><a href="/news">News</a></li> 200 <li><a href="/performance">Performance</a></li> 201 <li><a href="/about/organization">The Organization</a></li> 202 <li><a href="/archive">Archive</a></li> 203 <li><a href="/contact">Contact Us</a></li> 204 </ul> 205 </td> 206 </tr> 207 </table> 208 <div id="custodian"> 209 <p>The IANA functions coordinate the Internetâs globally unique identifiers, and 210 are provided by <a href="https://pti.icann.org">Public Technical Identifiers</a>, an affiliate of 211 <a href="https://www.icann.org/">ICANN</a>.</p> 212 </div> 213 <div id="legalnotice"> 214 <ul> 215 <li><a href="https://www.icann.org/privacy/policy">Privacy Policy</a></li> 216 <li><a href="https://www.icann.org/privacy/tos">Terms of Service</a></li> 217 218 </ul> 219 </div> 220 </div> 221</footer> 222 223 224
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