CentralNotice From Wikipedia, the free encyclopedia Jump to navigation Jump to search This article has multiple issues. Please help improve it or discuss these issues on the talk page . ( Learn how and when to remove these template messages ) This article may be too long to read and navigate comfortably . Please consider splitting content into sub-articles, condensing it, or adding subheadings . ( September 2017 ) This article may have too many section headers dividing up its content . Please help improve the article by merging similar sections and removing unneeded subheaders. ( September 2017 ) ( Learn how and when to remove this template message ) This list of Internet top-level domain ( TLD ) extensions contains top-level domains , which are those domains in the DNS root zone of the Domain Name System of the Internet . The official list of all top-level domai...