You can find a list of nginx's versions simply from the download directory:
http://nginx.org/download/ - I know that much.
By the way... DSS? Is anyone anywhere using DSS certificates on the internet anymore? (And would they still be 1024-bit?) Let alone anyone who might actually read configuration advice? I didn't see any hosts presenting one last time I ran a survey, but I wouldn't swear to that being complete (maybe they only present it to certain clients?).