| .deals | Binky Moon, LLC | — |
| .degree | Dog Beach, LLC | — |
| .delivery | Binky Moon, LLC | — |
| .dell | Dell Inc. | — |
| .deloitte | Deloitte Touche Tohmatsu | — |
| .delta | Delta Air Lines, Inc. | — |
| .democrat | Dog Beach, LLC | — |
| .dental | Binky Moon, LLC | — |
| .dentist | Dog Beach, LLC | — |
| .desi | Emergency Back-End Registry Operator Program - ICANN | — |
| .design | Registry Services, LLC | — |
| .dev | Charleston Road Registry Inc. | — |
| .dhl | Deutsche Post AG | — |
| .diamonds | Binky Moon, LLC | — |
| .diet | XYZ.COM LLC | — |
| .digital | Binky Moon, LLC | — |
| .direct | Binky Moon, LLC | — |
| .directory | Binky Moon, LLC | — |
| .discount | Binky Moon, LLC | — |
| .discover | Discover Financial Services | — |
| .dish | Dish DBS Corporation | — |
| .diy | Internet Naming Co. | — |
| .dnp | Dai Nippon Printing Co., Ltd. | — |
| .docs | Charleston Road Registry Inc. | — |
| .doctor | Binky Moon, LLC | — |
| .dog | Binky Moon, LLC | — |
| .domains | Binky Moon, LLC | — |
| .dot | Dish DBS Corporation | — |
| .download | dot Support Limited | — |
| .drive | Charleston Road Registry Inc. | — |
| .dtv | Dish DBS Corporation | — |
| .dubai | Dubai Smart Government Department | — |
| .dupont | DuPont Specialty Products USA, LLC | — |
| .durban | ZA Central Registry NPC trading as ZA Central Registry | — |
| .dvag | Deutsche Vermögensberatung Aktiengesellschaft DVAG | — |
| .dvr | DISH Technologies L.L.C. | — |
| .earth | Interlink Systems Innovation Institute K.K. | — |
| .eat | Charleston Road Registry Inc. | — |
| .eco | Big Room Inc. | — |
| .edeka | EDEKA Verband kaufmännischer Genossenschaften e.V. | — |
| .education | Binky Moon, LLC | — |
| .email | Binky Moon, LLC | — |
| .emerck | Merck KGaA | — |
| .energy | Binky Moon, LLC | — |
| .engineer | Dog Beach, LLC | — |
| .engineering | Binky Moon, LLC | — |
| .enterprises | Binky Moon, LLC | — |
| .epson | Seiko Epson Corporation | — |
| .equipment | Binky Moon, LLC | — |
| .ericsson | Telefonaktiebolaget L M Ericsson | — |