Similar to 免許の窓口

.tj

.tk

.tl

.tn

.to

.tokyo

.tr

Transifex

Tripod (web hosting)

.tt

Tumblr

.tv

.tw

Typepad

.ua

.ug

.uk

Uniform Resource Identifier

Urchin (software)

.uy

.uz

.vc

.ve

.vg