For people like me who are wondering what .tel is good for, this is a great help:

A .tel domain is an innovative top-level domain (TLD) that allows using the DNS as a data store for contact information. Unlike traditional domains, .tel does not allow storage of Address or CNAME records; instead, a .tel domain can hold the following records:

TXT - Text string of 255 characters that can contain plain text, a system message, or a set of keyword value pairs like "tc" "London" (tc for Town/City)

LOC - Location record for storing the geographical coordinates as latitude, longitude and altitude with the accuracy of 6 decimal places

NAPTR - Naming Authority Pointer Record with contact information as a URI and an Enumservice that indicates the type of URL information, such as email or phone number
All Enumservice types are supported, and ordering and labelling are available

Other record types, such as SRV and MX

For example:



Telnic and other organizations maintain a proxy service and a number of other systems to enable adequate usage and representation of .tel data on the web and beyond.

For adequate storage, retrieval and display of this information, Telnic Ltd. has implemented a multi-level architecture consisting of the following levels:



For examples of software and services, see Ecosystem. This section focuses on the core software solutions.

Many more information are available at http://dev.telnic.org/pages/quick_start.html