go
mx.la.playboy.com has one IP number , but the reverse is outside-mail.playboy.com. outside-mail.playboy.com point to the same IP. trade.tv, adult.com, pei-ads.com, peichat.com, playhef.com and at least 60 other hosts use this as a mailserver. Incoming mail for la.playboy.com is handled by two mailservers on different IP networks. mx.la.playboy.com is hosted on a server in United States.

mx.la.playboy.com
a records
 
+ 216.163.128.15 216.163.128.0/23 AS14068 outside-mail.playboy.com
+ --- outside-mail.playboy.com

la.playboy.com
mx records
mx.la.playboy.com
+ 216.163.128.15 216.163.128.0/23 AS14068 outside-mail.playboy.com
+ --- outside-mail.playboy.com
mx2.chi.playboy.com
+ 216.163.143.14 216.163.142.0/23 AS14068 outside-mail.playboy.com
ip numbers of host
216.163.128.15
ptrs of ip numbers
outside-mail.playboy.com
hostnames sharing ip with a-records
outside-mail.playboy.com
domains using this as mailserver
*.playboytv.co.uk
2a.playboytv.co.uk
active-engineering.net
adult.com
allplayboypass.com
alta-loma.com
apnetmarketing.com
brea-bennett.com
breabennett.com
centerfold.com
cinemaplay.com
cjidigital.com
cjiholdings.com
clubjenna.com
gofuckyourself.com
icsentertainment.com
internetcommerceservices.com
jennacash.com
jennajameson.com
la.playboy.com
lakeshorepress.com
missplayboytv.com
mundoplayboytv.com
pei-ads.com
peichat.com
peiecommerce.com
peiemail.com
peiemail1.com
peiemail2.com
peiemail3.com
peiremote1.com
peiremote2.com
playboy-magazin.de
playboy.co.uk
playboy.com
playboy.net
playboyclub.com.br
playboydaily.com
playboydirect.com
playboyenterprises.com
playboymobile.com
playboyparty.com
playboyplus.com
playboyproducts.com
playboystryouts.com
playboystyle.com
playboytryouts.com
playboytv.co.uk
playboytv.com
playboyvideo.com
playboyvod.com
playboywebmasters.com
playhef.com
privatespice.com
privatespicevod.com
shopthebunny.com
sjc.pedn.net
spicenetworks.com
spiceondemand.com
spicetv.com
spiceuncensored.com
spicevod.com
takeparentalcontrol.net
takeparentalcontrol.org
trade.tv
tradewithplayboy.com