| .hsbc | Generic | HSBC Global Services (UK) Limited | — | — |
| .hughes | Generic | Hughes Satellite Systems Corporation | — | — |
| .hyatt | Generic | Hyatt GTLD, L.L.C. | — | — |
| .hyundai | Generic | Hyundai Motor Company | — | — |
| .ibm | Generic | International Business Machines Corporation | — | — |
| .icbc | Generic | Industrial and Commercial Bank of China Limited | — | — |
| .ice | Generic | IntercontinentalExchange, Inc. | — | — |
| .icu | Generic | Shortdot SA | — | — |
| .ieee | Generic | IEEE Global LLC | — | — |
| .ifm | Generic | ifm electronic gmbh | — | — |
| .ikano | Generic | Ikano S.A. | — | — |
| .imamat | Generic | Fondation Aga Khan (Aga Khan Foundation) | — | — |
| .imdb | Generic | Amazon Registry Services, Inc. | — | — |
| .immo | Generic | Binky Moon, LLC | — | — |
| .immobilien | Generic | Dog Beach, LLC | — | — |
| .inc | Generic | Intercap Registry Inc. | — | — |
| .industries | Generic | Binky Moon, LLC | — | — |
| .infiniti | Generic | NISSAN MOTOR CO., LTD. | — | — |
| .info | Generic | Identity Digital Limited | — | — |
| .ing | Generic | Charleston Road Registry Inc. | — | — |
| .ink | Generic | Registry Services, LLC | — | — |
| .institute | Generic | Binky Moon, LLC | — | — |
| .insurance | Generic | fTLD Registry Services LLC | — | — |
| .insure | Generic | Binky Moon, LLC | — | — |
| .international | Generic | Binky Moon, LLC | — | — |
| .intuit | Generic | Intuit Administrative Services, Inc. | — | — |
| .investments | Generic | Binky Moon, LLC | — | — |
| .ipiranga | Generic | Ipiranga Produtos de Petroleo S.A. | — | — |
| .irish | Generic | Binky Moon, LLC | — | — |
| .ismaili | Generic | Fondation Aga Khan (Aga Khan Foundation) | — | — |
| .ist | Generic | Istanbul Metropolitan Municipality | — | — |
| .istanbul | Generic | Istanbul Metropolitan Municipality | — | — |
| .itau | Generic | Itau Unibanco Holding S.A. | — | — |
| .itv | Generic | ITV Services Limited | — | — |
| .jaguar | Generic | Jaguar Land Rover Ltd | — | — |
| .java | Generic | Oracle Corporation | — | — |
| .jcb | Generic | JCB Co., Ltd. | — | — |
| .jeep | Generic | FCA US LLC. | — | — |
| .jetzt | Generic | Binky Moon, LLC | — | — |
| .jewelry | Generic | Binky Moon, LLC | — | — |
| .jio | Generic | Reliance Industries Limited | — | — |
| .jll | Generic | Jones Lang LaSalle Incorporated | — | — |
| .jmp | Generic | Matrix IP LLC | — | — |
| .jnj | Generic | Johnson & Johnson Services, Inc. | — | — |
| .joburg | Generic | ZA Central Registry NPC trading as ZA Central Registry | — | — |
| .jot | Generic | Amazon Registry Services, Inc. | — | — |
| .joy | Generic | Amazon Registry Services, Inc. | — | — |
| .jpmorgan | Generic | JPMorgan Chase Bank, National Association | — | — |
| .jprs | Generic | Japan Registry Services Co., Ltd. | — | — |
| .juegos | Generic | Dog Beach, LLC | — | — |