Record Types
Compared to traditional top-level domains, the .tel DNS uses a different set of record types. User-specified Address and CNAME records are prohibited, and the following are allowed:
| Type | Description |
|---|---|
| TXT | Text string of 255 characters that can contain plain text,
a set of keyword value pairs like "tc" "London" (tc for Town/City),
or a system message that is not displayed on a .tel web page
TXT ".tkw" "1" "a" "Address" "a1" "Percy st.37" "tc" "London" "c" "UK"
|
| LOC | Location record for storing the geographical
coordinates as latitude, longitude and altitude with the accuracy of 6 decimal places
LOC 51 31 5.240 N 0 8 2.544 W 0.00m 10m 2m 2m"
|
| NAPTR | Naming Authority Pointer Record with contact information as a
URL and an Enumservice that indicates the type of URL information, such as email or phone number
NAPTR 100 100 "u" "E2U+voice:tel" "!^.*$!tel:+442074676450!" .
All Enumservice types are supported, and ordering and labelling are available. A NAPTR can also be non-terminal (NTN) and hold a pointer to another domain or subdomain, which may hold more data |
| Related Links | |
|---|---|
| RFC1035: Specification for domain names and TXT records | |
| RFC1876: Specification for LOC records | |
| RFC3403: Specification for NAPTR records | |
| Quick Start: Highlights of .tel technology | |
| Whitepaper: NAPTR Records in .tel | |
| Wiki article: More in Wikipedia on NAPTR records | |
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