EDIT2: Better link. https://botbot.me/freenode/ipfs/2015-08-22/?msg=47828655&pag... (The way the IPFS gateways work is you run them on a machine and bind to port 80 or whatever. Then in your DNS TXT records, you put the hash of the content you want to serve, and the gateway picks up on this and fetches the hash from the network.)