
Key Takeaways:
- .US can help businesses secure short, memorable domain names when a preferred .com is unavailable, giving Shen’s AI link-shortening company the three-letter nnu.us domain without resorting to auctions or inflated prices.
- A .US domain can reinforce a company’s American identity while keeping its web address concise, making it a strong option for U.S.-based businesses that want both a distinctive name and a clear connection to the United States.
The name Binbin Shen wanted was NNU. Three letters were all he needed, and that was exactly what made the domain search difficult.
“I needed the shortest possible domain for a link shortener,” Shen said. “.US delivered what other extensions couldn’t: a three-letter name at a fair price, no auctions or squatters.”
Shen was building nnu.us, a Grid Heap product designed around a limitation of conventional short links. A standard short link can get a person from one web address to another. However, an AI agent working on someone’s behalf needs more information than a redirect can offer. It needs to be able to read and interpret the material behind the link.
nnu.us was Shen’s attempt to make one compact URL useful to both. A person could follow it to the destination, while an agent could receive structured, readable context about what was there. The product grew out of Shen’s work on AI agent products, where a link could move an agent forward without giving it enough information to use the destination well.
That made the company’s own domain part of the product itself. Every link made through nnu.us would begin with the same address, so a longer domain would keep reappearing in the very product that was meant to save space. Shen had already found the name. What he needed was an ending that would let the name stay short.
.US did that. It gave him an available way to use nnu as it was, without extending the name to fit a more crowded domain space. The result is an address that belongs naturally to a link service: short enough to stay out of the way, yet distinctive enough to become the company’s name.
It also gave the address a second job. Grid Heap is incorporated in the United States, and nnu.us tells someone that before they’ve clicked a single link or read an About page. Shen saw that as part of the fit. “Being a U.S. company made it feel even more right,” he said.
If you’re building a U.S.-based business and your preferred .com is unavailable, .US gives you another way to keep the name you chose. Its short ending can help you secure a clean address while making your U.S. base clear as soon as someone sees it.
That was the appeal for Shen. With .US, he didn’t have to choose between an easy-to-remember compact name and a domain that said where the company was from. He got both.


