| TLD | Type | Land/Organisation/Bemerkung | ||
| .tc | ccTLD |  |
Turks- und Caicosinseln | |
| .td | ccTLD |  |
Tschad | |
| .tf | ccTLD |  |
Französische Süd- und Antarktisgebiete | |
| .tg | ccTLD |  |
Togo | |
| .th | ccTLD |  |
Thailand | |
| .tj | ccTLD |  |
Tadschikistan | |
| .tk | ccTLD |  |
Tokelau | |
| .tl | ccTLD |  |
Osttimor | |
| .tm | ccTLD |  |
Turkmenistan | |
| .tn | ccTLD |  |
Tunesien | |
| .to | ccTLD |  |
Tonga | |
| .tp | ccTLD | |
Ostitmor | |
| .tr | ccTLD |  |
Türkei | |
| .tt | ccTLD |  |
Trinidad und Tobago |
|
| .tv | ccTLD |  |
Tuvalu | |
| .tw | ccTLD |  |
Republik China | |
| .tz | ccTLD |  |
Tansania | |
ccTLD = Länderspezifische Domännamen
gTLD = Neue generische TLDs
sTLD = Sponsored TLDs
uTLD = Unsponsored TLDs