Internet gTLD - Generic Top Level Domains

Internet Generic Top-Level Domain (gTLD) extensions used in URL
  .aero   Air-Transport industry URL extension sponsored by Societe Internationale de Telecommunications Aeronautique (SITA)
  .arpa   Address and Routing Parameter Area URL extension for Internet-infrastructure purposes, controlled by Internet Architecture Board
  .biz   Business related URL extension (operated by GoDaddy)
  .com   Commercial URL extension (operated by Verisign)
  .coop   Co-operative business URL extension (operated by Midcounties Co-operative)
  .edu   Education institution URL extension accredited by US Dept. of Education and registered through Educause
  .gov   Government URL extension for US Government and operated by General Services Administration
  .info   Information Domain URL extension operated by Afilias
  .int   Intergovernmental Domain URL extension of organizations established by International treaties between Government operated by IANA .int Domain
  .jobs   Jobs URL extension for Human Resource (HR) management operated by GoDaddy
  .mil   US Military Domain URL controlled by US DoD Network Information Center
  .mobi   Mobile products and services Domain URL extension operated by Afilias
  .museum   Museum Domain URL extension operated by International Council of Museums
  .name   Name Domain URL extension operated by Name Domain and Verisign
  .net   Network Domain URL extension (operated by Verisign)
  .org   Organization Domain URL extension (operated by Public Interest Registry)
  .pro   Professional Domain URL extension operated by Afilias
  .travel   Travel related Domain URL extension operated by Donutsinc/ Travel Domains

Reference information and URL:
1. Country Code Top Level Domain - ccTLD
2. Internet - History and Architecture
3. Domain Name System - DNS

Last Revision: September 16th, 2023