Originally Posted by freecartoonporn

tube.sex.com - tube
pics.sex.com - tgp
cams.sex.com - cams
gifs.sex.com - gifs
stories.sex.com - stories
directory.sex.com - country specific escort site
premium.sex.com - you know, what major tubes are doing.
shop.sex.com - adult toys
webmaster.sex.com
education.sex.com
ask.sex.com - tie up with stackexchange guys for QnA
tips.sex.com blog
health.sex.com another blog
phone.sex.com phone sex pay per minute.
discuss.sex.com forum for users.
traffic.sex.com - self server ad exchange, or traffic selling.

right now, ican think of these only.