| TLD | Operator | Type | RDAP | WHOIS |
|---|---|---|---|---|
| .jaguar | Jaguar Land Rover Ltd | Generic TLD | ✓ | — |
| .java | Oracle Corporation | Generic TLD | ✓ | — |
| .jcb | JCB Co., Ltd. | Generic TLD | ✓ | — |
| .je | Jersey | Country Code | — | ✓ |
| .jeep | FCA US LLC. | Generic TLD | ✓ | — |
| .jetzt | Binky Moon, LLC | Generic TLD | ✓ | — |
| .jewelry | Binky Moon, LLC | Generic TLD | ✓ | — |
| .jio | Reliance Industries Limited | Generic TLD | ✓ | — |
| .jll | Jones Lang LaSalle Incorporat… | Generic TLD | ✓ | — |
| .jm | Jamaica | Country Code | — | — |
| .jmp | Matrix IP LLC | Generic TLD | ✓ | — |
| .jnj | Johnson & Johnson Services, I… | Generic TLD | ✓ | — |
| .jo | Jordan | Country Code | — | — |
| .jobs | Employ Media LLC | Generic TLD | ✓ | — |
| .joburg | ZA Central Registry NPC tradi… | Generic TLD | ✓ | — |
| .jot | Amazon Registry Services, Inc. | Generic TLD | ✓ | — |
| .joy | Amazon Registry Services, Inc. | Generic TLD | ✓ | — |
| .jp | Japan | Country Code | — | ✓ |
| .jpmorgan | JPMorgan Chase Bank, National… | Generic TLD | ✓ | — |
| .jprs | Japan Registry Services Co., … | Generic TLD | ✓ | — |
| .juegos | Dog Beach, LLC | Generic TLD | ✓ | — |
| .juniper | JUNIPER NETWORKS, INC. | Generic TLD | ✓ | — |
| .kaufen | Dog Beach, LLC | Generic TLD | ✓ | — |
| .kddi | KDDI CORPORATION | Generic TLD | ✓ | — |
| .ke | Kenya | Country Code | ✓ | ✓ |
| .kerryhotels | Kerry Trading Co. Limited | Generic TLD | ✓ | — |
| .kerryproperties | Kerry Trading Co. Limited | Generic TLD | ✓ | — |
| .kfh | Kuwait Finance House | Generic TLD | ✓ | — |
| .kg | Kyrgyzstan | Country Code | ✓ | — |
| .kh | Cambodia | Country Code | — | — |
| .ki | Kiribati | Country Code | — | ✓ |
| .kia | KIA MOTORS CORPORATION | Generic TLD | ✓ | — |
| .kids | DotKids Foundation Limited | Generic TLD | ✓ | — |
| .kim | Identity Digital Domains Limi… | Generic TLD | ✓ | — |
| .kindle | Amazon Registry Services, Inc. | Generic TLD | ✓ | — |
| .kitchen | Binky Moon, LLC | Generic TLD | ✓ | — |
| .kiwi | DOT KIWI LIMITED | Generic TLD | ✓ | — |
| .km | Comoros | Country Code | — | — |
| .kn | Saint Kitts and Nevis | Country Code | — | ✓ |
| .koeln | dotKoeln GmbH | Generic TLD | ✓ | — |
| .komatsu | Komatsu Ltd. | Generic TLD | ✓ | — |
| .kosher | Kosher Marketing Assets LLC | Generic TLD | ✓ | — |
| .kp | North Korea | Country Code | — | — |
| .kpmg | KPMG International Cooperativ… | Generic TLD | ✓ | — |
| .kpn | Koninklijke KPN N.V. | Generic TLD | ✓ | — |
| .kr | South Korea | Country Code | — | ✓ |
| .krd | KRG Department of Information… | Generic TLD | ✓ | — |
| .kred | KredTLD Pty Ltd | Generic TLD | ✓ | — |
| .kuokgroup | Kerry Trading Co. Limited | Generic TLD | ✓ | — |
| .kw | Kuwait | Country Code | — | — |
Showing 601-650 of 1435 registries