DOMAIN EXTENSION GUIDES
Domain extension guides
Explore evergreen guides to established, emerging and future domain extensions, with ideas, audience fit, availability notes and marketplace links.
Extension guides
659 guides
| Extension | Guide | Best for | Availability |
|---|---|---|---|
| .sea | .sea Domain Names | Marine, coastal and ocean-themed projects | Application disclosed; not delegated |
| .seal | .seal Domain Names | Brand, community and specialist uses tied to seal-themed identity | Application announced; not delegated |
| .see | .see Domain Names | A word-based TLD centred on visibility, search and discovery | Not yet publicly delegated |
| .self | .self Domain Names | Identity-led projects, reflective publishing and personal portfolios | Application disclosed; not delegated |
| .sell | .sell Domain Names | Sales-led brands, offer pages and marketplace projects | Prelaunch: applicant disclosed |
| .semiconductor | .semiconductor Domain Names | Chipmakers, suppliers, labs and semiconductor industry brands | Prelaunch / not delegated |
| .send | .send Domain Names | Brand, messaging and delivery-focused digital identities | Not yet delegated |
| .sense | .sense Domain Names | Brandable identity for perception, insight and intelligent tools | Pre-launch |
| .sensor | .sensor Domain Names | Sensor, monitoring and IoT projects seeking a relevant namespace | Applied-for, not delegated |
| .set | .set Domain Names | Brand, community and programme-led namespace planning | Application stage |
| .shaolin | .shaolin Domain Names | Cultural brand, martial arts, heritage and themed digital projects | Applied-for, not yet delegated |
| .share | .share Domain Names | Concept-led identities around sharing, collaboration and exchange | Contended application stage |
| .shift | .shift Domain Names | Movement, change and workflow-focused naming | Application disclosed |
| .ship | .ship Domain Names | Branding for shipping, logistics and ship-related names | Not yet delegated |
| .shipping | .shipping Domain Names | Shipping, logistics and freight brands | Applicant announced; not delegated |
| .shortvideo | .shortvideo Domain Names | Short-form video brands, creators and media projects | Application disclosed; not delegated |
| .sign | .sign Domain Names | Signage, signing, identity and symbolic brand use | Prelaunch / contested |
| .sim | .sim Domain Names | Simulation, simulation software and SIM-adjacent branding | Application disclosed; not delegated |
| .skills | .skills Domain Names | Skills, learning, hiring and training brands | Applied-for; not delegated |
| .slop | .slop Domain Names | Culture-led, slang-aware and meme-friendly branding | Prelaunch and not yet delegated |
| .smartcity | .smartcity Domain Names | Urban technology, civic innovation and connected city projects | Application disclosed |
| .socialcommerce | .socialcommerce Domain Names | Social selling, creator storefronts and commerce communities | Not yet delegated |
| .socialmedia | .socialmedia Domain Names | Brands, creators and communities built around social channels | Applied; not delegated |
| .soft | .soft Domain Names | Software, gentle branding, support and low-friction naming | Application disclosed; not delegated |
| .soul | .soul Domain Names | Identity, culture and community-led digital branding | Pre-launch |
| .sound | .sound Domain Names | Audio brands, music projects and sound-focused services | Application announced |
| .source | .source Domain Names | Naming source libraries, attribution tools and reference hubs | Prelaunch application stage |
| .sourcing | .sourcing Domain Names | Procurement, supplier platforms and sourcing services | Applied-for string |
| .sov | .sov Domain Names | Sovereignty, civic identity and trust-focused digital projects | Proposed, not live |
| .spice | .spice Domain Names | Food, flavour and lifestyle branding concepts | Prelaunch; not live |
| .springfestival | .springfestival Domain Names | Cultural campaigns, festival branding and seasonal community projects | Application announced |
| .sss | .sss Domain Names | Potential registry branding, identity and community naming | Applied-for, not delegated |
| .stack | .stack Domain Names | Technology brands, developer tools and layered product naming | Pre-launch |
| .start | .start Domain Names | Start-up brands, launch projects and action-led naming | Not yet delegated |
| .state | .state Domain Names | State-themed civic, public and regional naming | Prelaunch |
| .stay | .stay Domain Names | Travel, hospitality and stay-related brands | Prelaunch contested string |
| .stem | .stem Domain Names | Potentially suited to science, education and STEM-focused branding | Not yet available for registration |
| .stock | .stock Domain Names | Finance, investing and market-focused brands | Pre-launch; not publicly delegated |
| .stone | .stone Domain Names | Brands, projects and communities centred on stone, craft and design | Application stage |
| .storage | .storage Domain Names | Storage, cloud, backup and data-centric brands | Applied-for, not delegated |
| .stratagem | .stratagem Domain Names | Strategy-led brands, planning tools and intelligence services | Application announced; not live |
| .streamer | .streamer Domain Names | Creator-led, live media and streaming-focused naming | Application disclosed |
| .stuff | .stuff Domain Names | Creative projects, content hubs and flexible brand storytelling | Prelaunch application stage |
| .sub | .sub Domain Names | Applicants, brand planning and alternative naming concepts | Application announced |
| .sui | .sui Domain Names | Sui ecosystem naming, identity and community projects | Not yet available |
| .sunzi | .sunzi Domain Names | Registry branding, cultural projects and future registrations | Prelaunch |
| .super | .super Domain Names | Applicants planning a broad, high-impact generic namespace | Application stage |
| .superapp | .superapp Domain Names | Brand-led super app platforms, commerce and bundled services | Application announced; not delegated |
| .sure | .sure Domain Names | Assurance-led branding, confirmation themes and trust signals | Prelaunch |
| .swap | .swap Domain Names | Swaps, exchange platforms, fintech and trade projects | Prelaunch and contested |