go
mx.usa.net has one IP number , which also has a corresponding reverse pointer. mail.fdp.com, mx.wp-ltd.com, mail.vhshc.org, mx.permlight.com, mail.btpqkona.com and at least twelve other hosts cnames to this hostname. mx.net, mx.cta.com, footage.net, mail.atu.org, gwusa.ual.com and at least 79 other hosts point to the same IP. pe.com, mx.net, zsz.com, kgw.com, fma.net and at least 100 other hosts use this as a mailserver. usa.net is delegated to four nameservers, however two extra nameservers are listed in the zone. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for usa.net is handled by one mailserver at netaddress.usa.net. usa.net has one IP number. mx.usa.net is hosted on a server in United States.

mx.usa.net
a records
 
+ 165.212.65.113 165.212.0.0/16 AS7424 -
+ --- -

usa.net
a records
 
+ 165.212.168.200 165.212.168.0/22 AS14454  
+ ---  
ns-soa records
cndvg054.usa.net
+ 165.212.55.54 165.212.0.0/16 AS7424  
+ ---  
ns records
dnsext01.usa.net
+ 165.212.55.54 165.212.0.0/16 AS7424  
+ ---  
dnsext02.usa.net
+ 165.212.55.55 165.212.0.0/16 AS7424 -
+ --- -
vndvg055.usa.net
+ 165.212.55.55 165.212.0.0/16 AS7424 dnsext02.usa.net
+ --- dnsext02.usa.net
cndvg054.usa.net
+ 165.212.55.54 165.212.0.0/16 AS7424  
+ ---  
ns1.ireadyworld.com
+ 216.54.168.36 216.54.168.0/24 AS14454 -
+ --- -
ns2.ireadyworld.com
+ 216.54.168.37 216.54.168.0/24 AS14454 -
mx records
mxpool01.netaddress.usa.net
+ 165.212.8.32 165.212.0.0/16 AS7424 -
+ --- -
ip numbers of host
165.212.65.113
ptrs of ip numbers
mx.usa.net
ip numbers using ptr to this host
165.212.65.113
hostnames sharing ip with a-records
corp.broadriver.com
email.thelangstaffs.net
footage.net
gwusa.ual.com
inbound.iscointl.com
intlmail.postoffice.net
mail.abeloff.com
mail.accessventurepartners.com
mail.altalab.com
mail.atlasmarkets.com
mail.atu.org
mail.auburninvestmentcastings.com
mail.avion.com
mail.bankofstcroix.com
mail.cciinvestments.com
mail.cheswall.com
mail.confederatemotors.com
mail.corporate-destination.com
mail.diamondpropertiesllc.com
mail.easternmanagement.com
mail.elexito.com
mail.evolveconsultinginc.com
mail.evovleconsulting.com
mail.facusa.com
mail.fnmblc.com
mail.godwinlumber.com
mail.grayboxx.com
mail.hamsmith.com
mail.honestearthpotatoes.com
mail.idahoan.com
mail.idshield.com
mail.ipubgroup.com
mail.jacksonplating.com
mail.jarrettford.com
mail.labvortex.com
mail.laexecutivesearch.com
mail.lawmrp.com
mail.linesider.net
mail.localthunder.com
mail.masonlumber.net
mail.mbox.net
mail.medconnectusa.org
mail.mitchelldevelopmentgroup.net
mail.mssally.com
mail.mussallem.com
mail.olhfb.com
mail.patiopools.com
mail.pyxisolutions.com
mail.rwdsufunds.com
mail.senorstrategies.com
mail.serenityhospice.com
mail.serenityhospiceservices.com
mail.servicewr.com
mail.soaresdacostausa.com
mail.southcarolinasecuritysystems.com
mail.sqkfc.com
mail.stonehamford.com
mail.telemessagingusa.com
mail.thegraygroup.net
mail.theitsecurityattache.com
mail.touchind.com
mail.travelcorner.net
mail.treacyandco.com
mail.ucoreuranium.com
mail.victorymotorcompany.com
mail.wakefieldauto.com
mail.woolfsoneye.com
mail.wtc-sf.org
mail1.annandalecapital.com
mail1.harvestholdingsllc.com
mailman.kevintomlinson.com
msx.expedient.net
mx-usa-net.se-so-tec.com.sg
mx.cta.com
mx.imsenv.com
mx.messagesonline.net
mx.net
mx.novatechmfg.com
mx1.printfection.com
mxpool.postoffice.net
mxpool2.postoffice.net
mxpoolbeta.postoffice.net
smtp.gemsprint.com
william-hefner.com
hostnames pointing here by cname
attmail.postoffice.net
external.qfsfunds.com
mail.airamerica.com
mail.altourlimo.com
mail.btpqkona.com
mail.dalygray.com
mail.edeltacom.net
mail.fdp.com
mail.membranecourse.com
mail.michiganvca.org
mail.omnicomleisure.com
mail.politicalaccountability.net
mail.thejeffreygroup.com
mail.vhshc.org
mx.permlight.com
mx.wp-ltd.com
mxadmail.postoffice.net
domains using this as mailserver
1000trails.com
4dsquared.com
4patent.com
aana.com
abgi.com
abigailkirsch.com
agencyworks.com
airdyne.net
aldiatx.com
americanambulance.com
arbor.net
arborpartners.com
atecs.biz
ayallc.com
azfamily.com
baldwinstatebank.com
belmay.com
belmay.com.br
belo.com
belointeractive.com
blogabroad.com
calton.com
capcis.co.uk
century21.com
childrenschoice.org
colemanhines.com
comhaus.com
commercialstate.com
contract-datascan.com
contractdatascan.com
couturefinancial.com
cowboysplus.com
dallasnews.com
datascaninc.com
datascanlp.com
decideinteractive.com
dentonrc.com
donnanltd.com
earnmydegree.com
ebgift.com
edfvc.com
ehscompliance.com
emericon.com
fascofasteners.com
fatspaniel.com
firstfederalsandl.com
firststateks.com
fisn.com
fma.net
fox11az.com
freedassociates.com
gay.com
globalsemesters.com
goeken.com
guidelive.com
handmark.com
hellmanandassociates.com
hendrickscountybank.com
hodesiq.com
iars.org
iiepassport.org
ipipeline.com
johnkerry.com
justassoc.com
justassociates.com
kgw.com
khou.com
king5.com
kmov.com
kongtv.com
kotv.com
krem.com
kvue.com
lansa.com
leapfrogonline.net
local44.org
markerseven.com
mvbank.com
mx.net
nas1.com
neafcu.org
netshapetech.com
newurbanprop.com
nwcn.com
optimer.com
outandabout.com
owlcti.com
pcnation.com
pe.com
polybrite.com
projo.com
prudentialgeorgia.com
qssi.com
rimonthly.com
rjbirchler.com
salire.com
salirepartners.com
stillwater-consulting.com
sturgisbank.com
sundancestatebank.com
surgient.com
swiss-financial.com
swissray.com
texasvbank.com
thousandtrails.com
travelsolutionsgrp.com
txcn.com
usanet.biaprotect.com
webaroo.com
wfaa.com
whas11.com
whascrusade.org
whcf.org
wvec.com
wwltv.com
www.edfvc.com
www.fascofasteners.com
www.skylakedevelopment.com
xencor.com
zsz.com
domains using this as mailserver under another name
belarc.com
benfrankbank.com
freeholdsavingsandloan.com
iscointl.com
printfection.com
servicewr.com
small.com
travelcorner.net
wtc-sf.org
www.travelcorner.net
nameservers missing in parent delegation
dnsext01.usa.net
dnsext02.usa.net