| Domain Name | Reason |
| facial4porno.com | traffic leecher |
| facialacademy.com | traffic leecher |
| fackteen.com | traffic leecher |
| famous-porn-toon.com | traffic leecher |
| famous-porn-toons.com | traffic leecher |
| famous-sex-cartoons.com | traffic leecher |
| famous-sex-toon.com | traffic leecher |
| famouschicks.net | http://crutop.nu/Vbulletin/showpost.php?p=750785&postcount=341 |
| fasttgp.net | prod < 10%, junk countries > 90% |
| fat-chicks-tgp.com | exploit, very advanced hitbots |
| fatmovs.com | exploits |
| fatorgasmus.com | hitbots |
| fattitssex.com | very smart cheater. advanced hitbots |
| fatty-movies.com | 0 prod |
| fattyfilms.com | 0 prod, 100% proxy |
| fazerthumbs.com | opener executed on window closing |
| fc2.com | traffic leecher |
| fetite.org | very advanced hitbotter |
| feytgp.com | traffic leecher |
| fffmm.com | traffic leecher |
| fillmypussy.net | 75% hotbot traffic, real prod<10% |
| filthybabez.com | 50% hitbot traffic, real prod<10% |
| findmamas.com | excessive popups |
| findteenporn.com | traffic leecher |
| fine-porno.com | opener / geo traffic redirection |
| finebbw.info | 500 IN -> 0 prod, probably primitive hitbots |
| finematures.com | hitbots |
| fingerfuns.com | very advanced cheater |
| firstpornsite.com | traffic leecher |
| firstsexteen.net | hitbots |
| fmangels.net | opener executed on window closing |
| folladas.org | very advanced cheater |
| forevaporn.com | traffic leecher |
| forevasex.com | traffic leecher |
| forfat.net | 100% hitbots |
| formature.net | 100% hitbots |
| foto-bondage.com | very advanced cheater |
| foto-lesbiche.net | very advanced cheater |
| foto-orge.com | very advanced cheater |
| foto-spagnole.com | very advanced cheater |
| foxyshemales.net | attempts totally inapropriate niche trade |
| free-gallery.net | very advanced cheater |
| free-girlz.com | traffic leecher |
| free-nude-photo.org | very advanced hitbots |
| free-picsnew.com | massive exploits |
| free-porn-galleries.biz | exploit |
| free-porn-thumbz.com | exploit |
| free-porno-gallery.com | traffic leecher |
| free-sexxxx.info | redirect to exploit |
| free-video-post.com | nasty exploits |
| free-xnude-pix.com | traffic leecher |
| free-xxx-club.com | traffic leecher |
| free-xxx-galleries.info | traffic leecher |
| freeamateur.org | hitbots |
| freebbwwomen.com | cheater |
| freebigboobs.info | 100% hitbot traffic |
| freeblonde.net | very advanced cheater |
| freeboobsgallery.net | cheater |
| freeboobsonly.com | hitbots |
| freedoc.ru | russian site with useless russian traffic |
| freefat.net | 100% hitbots |
| freegirlsporno.com | advanced hitbots |
| freehostia.com | free host |
| freehqporno.com | very advanced cheater |
| freehqsex.com | prod < 10% |
| freepantyhoseonline.com | prod < 20%, junk countries traffic >90% |
| freepimphost.com | traffic leecher |
| freepopa.com | 100% hitbots |
| freesex99.com | advanced cheater (uses botnet) |
| freesextits.net | domain belongs to confirmed cheater |
| freesexyhouse.com | traffic leecher |
| freeshilop.com | traffic leecher/geo redirect/consoles/exploit |
| freetaboohost.com | free host with idiots |
| freeteens.biz | traffic leecher |
| freewhore.net | very advanced cheater |
| freexxxpornosex.com | traffic leecher |
| freshlolls.com | lolita content, massive exploits |
| freshrussiangirls.com | prod < 50%, junk countries > 80% |
| frokepicx.com | traffic leecher/geo redirect/consoles/exploit |
| fruitychicks.com | hitbots |
| ft100.net | traffic leecher |
| fuckableteenies.com | 100% hitbots |
| fuckallgirls.com | very advanced cheater |
| fuckcapone.com | traffic leecher |
| fuckfreesex.com | prod < 10% (possibly hitbots) + exploit on click |
| fucking-nude-women-free-porn-thumbnail-galleries.biz | traffic leecher |
| fucking-photos.com | hitbots |
| fucking-teen-hardcore.com | traffic leecher |
| fuckingadult.net | traffic leecher |
| fuckingarea.com | traffic leecher |
| fuckingasians.org | 100% hitbots |
| fuckingcenter.com | traffic leecher |
| fuckingforeva.com | traffic leecher |
| fuckinggalleries.net | 100% hitbots |
| fuckingsluts.org | 100% hitbot traffic |
| fuckladies.net | hitbots, exploits |
| fucksexporn.net | traffic leecher |
| fuckteenfree.com | 90% hitbots |
| fuckthispussy.com | very advanced cheater |
| fuckthisshemale.net | attempts totally inapropriate niche trade |
| fuckthisteen.net | hitbots |
| fullhairybush.com | exploits |
| funadult.net | traffic leecher |
| funkpics.com | hitbots (very advanced, uses zombies), exploit |
| funtoons.info | hitbots |
| fxteens.com | exploits |