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150<a name="Record Types">
151<h1>Record Types</h1>
152</a>
153
154<p>Compared to traditional top-level domains,
155the .tel DNS uses a different set of record types. User-specified Address
156and CNAME records are prohibited, and the following are allowed:</p>
157<ul>
158<li>TXT - text record for storing keywords and other freeform text </li>
159<li>LOC - location records containing latitude, longitude and altitude data</li>
160<li>NAPTR (Naming Authority Pointer Record) - a record holding a URL
161and an Enumservice that indicates the type of URL information, such as email or phone number; NAPTRs can
162be
163        <ul>
164                <li>Terminal - holding contact information, such as phone number, Skype ID, etc.</li>
165                <li>Non-terminal - holding a pointer to another domain or subdomain, which may hold more data</li>
166        </ul> 
167        </li>
168</ul>
169        <p>NAPTR records are powerful resource records with a number of important advantages,
170        such as small package size, high-speed propagation and real-time updating. NAPTR keys
171         can support any Enumservice type, including <code>voice:tel</code> or <code>im:x-skype</code>
172          or a pointer to a subdomain or another domain. In addition, NAPTR records can be ordered
173          and labeled.
174          However, support for NAPTRs is not yet common
175         and requires extra effort; to make working with .tel domains easy,
176         the TelHosting Software already provides this support.  </p>
177         <p>
178<a href="http://en.wikipedia.org/wiki/NAPTR" target="_blank">Wikipedia</a>
179          gives a more detailed description of NAPTRs, and <a href="http://www.ietf.org/rfc/rfc3403.txt" target="_blank">RFC3403
180         </a> contains the specification of this resource record. For more information on
181         NAPTR usage in .tel, please read the whitepaper <a href="/docs/naptr.pdf">
182         NAPTR Records in .tel</a>.</p>
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