As an Unstoppable Domain, it benefits from no renewal fees, which is a significant advantage for long-term ownership. Space exploration and colonization are perennially popular themes, and combining this with the NFT trend could capture significant interest. The .nft extension ensures the domain is deeply integrated within the Web3 ecosystem, focusing on digital ownership and blockchain technology.
Domain for sale! 
MARS4 … project
OpenSea … link
Our Useful Features & Services
.nft
Premium
Space
Item Extension
Item price ETH:
22
