Discovering Amazon’s, Facebook’s, and Twitter’s URL naming patterns is easy with MHM, http://www.minerazzi.com/tools/mhm/mhm.php

An MHM search for amazon.com retrieves

affiliate-program.amazon.com
amazoin.com
amazommusic.com
amazomvisa.com
amazon-associate.com
amazon-books.org
amazon-coffee.com
amazon-posters.com
amazon-tools.com
amazon.com
amazon.com.mk
amazon.info
amazon.mk
amazonabebooks.ch
amazonabebooks.cz
amazonabebooks.nl
amazonbestseller.com
amazonbestsellersecrets.com
amazongenerics.com
amazonmarketplace.com
amazonmystery.com
amazonpreserves.com
amazonpromo.com
amazonrock.com
amazonsupplements.com
amazontools.com
amzazon.com
amzn.com
auctions.amazon.com
babyamazon.com
bestsellers.com
borderstores.amazon.com
ccs.webcrawler.com
coolest-gadgets.com
cs.webcrawler.com
dailyfreebooks.com
deals.woot.com
ec.cooks.com
freephonetracer.com
imbroke.org
imdb.com
leecao.com
liveaa.com
m.amazon.com
media-server.amazon.com
occupyweb.org
onehundredfreebooks.com
onhop.ca
p.ly
peoplesmart.com
pepsistuff.amazon.com
priveazy.com
projectorquest.com
promotions.amazon.com
rcm.amazon.com
registrar.amazon.com
simply-amazon.com
spokeo.com
stat.dealtime.com
static.amazon.com
voipequipment.voipreview.org
voipstores.myvoipprovider.com
youtube.com

Whereas an MHM search for facebook.com retrieves

apps.facebook.com
ar-ar.fi-fi.connect.facebook.com
axeroom.com
az-az.connect.facebook.com
baxleybook.com
blog.facebook.com
c.facebook.com
campverdebugleonline.com
chinovalleyreview.com
cs-cz.es-la.fbjs.facebook.com
cs-cz.ro-ro.fbjs.facebook.com
cy-gb.fr-fr.connect.facebook.com
cy-gb.vm.connect.facebook.com
da-dk.vn-vi.connect.facebook.com
de-de.el-gr.connect.facebook.com
developers.facebook.com
ebizlatam.com
edge-star-shv-13-frc1.facebook.com
en-gb.facebook.com
en-gb.vn-vn.connect.facebook.com
en-pi.en-gb.connect.facebook.com
en-pi.facebook.com
es-es.sk-sk.connect.facebook.com
es-la.connect.connect.connect.facebook.com
es-la.da-dk.connect.facebook.com
es-la.ro-ro.fbjs.facebook.com
es-la.vi-vn.connect.facebook.com
es-la.vn.connect.facebook.com
eu-es.facebook.com
facbook.com
facebok.com
faceboo.com
facebook.at
facebook.be
facebook.biz
facebook.ca
facebook.co
facebook.co.id
facebook.co.nz
facebook.com
facebook.com.br
facebook.com.es
facebook.com.tw
facebook.de
facebook.dk
facebook.es
facebook.fr
facebook.ie
facebook.in
facebook.it
facebook.jp
facebook.net.nz
facebook.nl
facebook.org
facebook.pl
facebook.se
facebook.us
facebookembed.com
facebookinc.com
facebooknya-rian.com
facebooksuppliers.com
facebooksupplierstest.com
farmtown-links.com
fb.com
fb.com.
fb.me
fbcdn.net
fbdocs.com
fbjs.facebook.com
fbquestions.com
fbsbx.com
fcaebook.com
fr-ca.f.connect.facebook.com
fr-fr.fbjs.facebook.com
gentlemanbyraw.com
gossipwithmarkzuckerberg.com
groupon.com
gsmarena.com
hornsqueal.com
hs.facebook.com
https:
hu-hu.fbjs.facebook.com
id-id.cv.connect.facebook.com
indexjournal.com
internet.org
iphone.facebook.com
jheddy.com
ka-ge.connect.facebook.com
ka-ge.facebook.com
lite.facebook.com
lite.lite.facebook.com
lol.khakim.co.vu
m.connect.facebook.com
m.facebook.com
m.fbjs.facebook.com
mbasic.facebook.com
media.newvoicemedia.org
moochspot.com
nn-no.connect.connect.facebook.com
pa-in.facebook.com
paloverdevalleytimes.com
ph.connect.facebook.com
postmaster.facebook.com
prescottvalleytribune.com
pt-br.conect.connect.facebook.com
pvtrib.com
r00tz.us
ro-ro.connect.connect.connect.connect.connect.connect.facebook.com
ro-ro.connect.facebook.com
ro-ro.fbjs.facebook.com
roomleft.com
s.ar.ar.lite.facebook.com
sv-se.connect.connect.connect.facebook.com
te-in.facebook.com
thefacebook.at
thefacebook.com
thefacebook.de
touch.facebook.com
upload.facebook.com
vn-vi.connect.facebook.com
wral.com
xenotypee.com
yourdailyglobe.com
zh-cn.ar-ar.fbjs.facebook.com
zh-cn.ck.connect.facebook.com
zh-cn.cv.connect.facebook.com
zh-cn.de-de.connect.facebook.com
zh-cn.el-gr.connect.facebook.com
zh-cn.pl-pl.connect.facebook.com
zh-cn.pt-br.connect.facebook.com
zh-cn.vivin.connect.facebook.com
zh-cn.zh-tw.fbjs.facebook.com
zh-hk.connect.facebook.com

Finally, and MHM search for twitter.com returns

199.59.149.230
adlog.com.com
become.com
bigbugnews.com
blogs.reuters.com
bomarpublishing.com
business.twitter.com
campverdebugleonline.com
chinovalleyreview.com
cubuffs.com
dcourier.com
dispatch.com
drew.edu
elmbridgetoday.co.uk
es.twitter.com
fightingsioux.com
fr.twitter.com
freestockcharts.com
groupon.com
hirunews.lk
immj.co.cc
jeantoledo.com.br
jp.twitter.com
minews26.com
nathanigel.co.cc
pages.tma-email.com
paloverdevalleytimes.com
prescottvalleytribune.com
ptleader.com
pvtrib.com
rdsig.yahoo.co.jp
svenskafans.com
translate.twttr.com
tw1.kappacs.com
twitter.ad.vu
twitter.checkorphan.org
twitter.com
twitter.fr
twitter.joemoreno.com
twitter.rs
twitter.uz
twt.si
twtr.jp
twurl.nl
vmikeydets.com
wkusports.com
womenspress.com
worldofwatches.com
wral.com
www4.twitter.com