| TLD | Operator | Type | RDAP | WHOIS |
|---|---|---|---|---|
| .barclaycard | Barclays Bank PLC | Generic TLD | ✓ | — |
| .barclays | Barclays Bank PLC | Generic TLD | ✓ | — |
| .barefoot | Gallo Vineyards, Inc. | Generic TLD | ✓ | — |
| .bargains | Binky Moon, LLC | Generic TLD | ✓ | — |
| .baseball | MLB Advanced Media DH, LLC | Generic TLD | ✓ | — |
| .basketball | Fédération Internationale de … | Generic TLD | ✓ | — |
| .bauhaus | Werkhaus GmbH | Generic TLD | ✓ | — |
| .bayern | Bayern Connect GmbH | Generic TLD | ✓ | — |
| .bb | Barbados | Country Code | — | — |
| .bbc | British Broadcasting Corporat… | Generic TLD | ✓ | — |
| .bbt | BB&T Corporation | Generic TLD | ✓ | — |
| .bbva | BANCO BILBAO VIZCAYA ARGENTAR… | Generic TLD | ✓ | — |
| .bcg | The Boston Consulting Group, … | Generic TLD | ✓ | — |
| .bcn | Municipi de Barcelona | Generic TLD | ✓ | — |
| .bd | Bangladesh | Country Code | — | — |
| .be | Belgium | Country Code | — | ✓ |
| .beats | Beats Electronics, LLC | Generic TLD | ✓ | — |
| .beauty | XYZ.COM LLC | Generic TLD | ✓ | — |
| .beer | Registry Services, LLC | Generic TLD | ✓ | — |
| .berlin | dotBERLIN GmbH & Co. KG | Generic TLD | ✓ | — |
| .best | BestTLD Pty Ltd | Generic TLD | ✓ | — |
| .bestbuy | BBY Solutions, Inc. | Generic TLD | ✓ | — |
| .bet | Identity Digital Domains Limi… | Generic TLD | ✓ | — |
| .bf | Burkina Faso | Country Code | — | ✓ |
| .bg | Bulgaria | Country Code | — | ✓ |
| .bh | Bahrain | Country Code | — | ✓ |
| .bharti | Bharti Enterprises (Holding) … | Generic TLD | ✓ | — |
| .bi | Burundi | Country Code | — | ✓ |
| .bible | American Bible Society | Generic TLD | ✓ | — |
| .bid | dot Bid Limited | Generic TLD | ✓ | — |
| .bike | Binky Moon, LLC | Generic TLD | ✓ | — |
| .bing | Microsoft Corporation | Generic TLD | ✓ | — |
| .bingo | Binky Moon, LLC | Generic TLD | ✓ | — |
| .bio | Identity Digital Domains Limi… | Generic TLD | ✓ | — |
| .biz | Registry Services, LLC | Generic TLD | ✓ | ✓ |
| .bj | Benin | Country Code | — | ✓ |
| .black | Identity Digital Domains Limi… | Generic TLD | ✓ | — |
| .blackfriday | Registry Services, LLC | Generic TLD | ✓ | — |
| .blockbuster | Dish DBS Corporation | Generic TLD | ✓ | — |
| .blog | Knock Knock WHOIS There, LLC | Generic TLD | ✓ | — |
| .bloomberg | Bloomberg IP Holdings LLC | Generic TLD | ✓ | — |
| .blue | Identity Digital Domains Limi… | Generic TLD | ✓ | — |
| .bm | Bermuda | Country Code | ✓ | — |
| .bms | Bristol-Myers Squibb Company | Generic TLD | ✓ | — |
| .bmw | Bayerische Motoren Werke Akti… | Generic TLD | ✓ | — |
| .bn | Brunei | Country Code | — | ✓ |
| .bnpparibas | BNP Paribas | Generic TLD | ✓ | — |
| .bo | Bolivia | Country Code | — | ✓ |
| .boats | XYZ.COM LLC | Generic TLD | ✓ | — |
| .boehringer | Boehringer Ingelheim Internat… | Generic TLD | ✓ | — |
Showing 101-150 of 1435 registries