Call it Satcom. Short for satellite communications, its a futuristic sounding word that conveys communication through a meta layer of our atmosphere, which could be symbolic of the meta layer of communication that nostr provides around webpages. Lots of domains available.
Here's some logo inspiration:

https://image.nostr.build/2c3d9f1a7482e48cf41b7c8ce50be6b0d026af09c0aecf8925bfb74e176a08a5.jpg#m=image%2Fjpeg&dim=1024x1024&blurhash=U9EoGY00bb-n%7EW00_3t7TJV%40%25M9GIUV%40Nan%2B&x=29a2791dce8c779cba8f15400ffb2e74713bec44c8de62468833499bc0d874a9

Wonderful project! I looking forward to using it!