| Abbreviation | Definition |
|---|---|
| TLDR | Top Level Domain Registry |
| TLDs | Top-level Domains |
| TMCH | Trademark Clearinghouse |
| TOTL | Tags On The Line |
| TTRX | Thinktank RX |
| tv | Tuvalu |
| TXMMC | The X Master's Minecraft |
| UK | Sites in the United Kingdom |
| URL | Uniform Resource Locator |
| US | Sites in the United States |
| UY | Uruguay |
| VK | Volkomen Kut |
| VQ | British Virgin Islands |
| WADND | World Association of Domain Name Developers |
| WBA | Webstore By Amazon |
| WBV | World's Best Video's |
| WDES | William DESportes |
| WDIP | WhereDoIPurchase.Com |
| WFV | World's Favorite Videos |
| WFW | World Fantasy Wrestling |