Right, they use a Load balancing server that projects it as a 301 redirect I believe depending on geographic location and traffic usage. We do services like that at work for plenty of companies. VS having multiple a records, and they all propagate to the different servers. I'ce noticed that there is sometimes a full 24 hours of delay which is why I use their main nifty.org/nifty/gay if there is a story I'm following on there.