Yes, the site is
http://www.freedive.net/ibsrc/
And, BTW, there is another record keeping organization, and it has more lenient rules. I believe it permits chumming, and also permits taking a shot from the surface. The IBRSC requires you to be fully submerged and holding your breath. I think that is a little silly, since 1 foot deep for the time it took to pull the trigger would put me in compliance, but hardly set me apart from the guy on the surface.
http://www.freediver.net/iusa/world_record_list.php