Siōng-téng domain (Eng-gí: Top-level Domain), kán-chheng TLD, sī Internet DNS lāi-bīn siōng-téng ê domain, i pó-chûn tī DNS root zone ê namespace lāi-bīn. Siōng-téng domain sī domain miâ choè-āu pō͘-hūn, tō sī domain miâ choè-āu ê tiám chi āu ê jī-bó, chhiūⁿ example.com lāi-bīn ê .com chiū-sī siōng-téng domain.

Siōng-téng domain pau-hâm: