go
mail-ew0-f1.google.com has one IP number , which also has a corresponding reverse pointer. mx2.rwsn.de, vaniche.com, gxhuamao.com, i.mx.vntx.net, mx6.mt.gov.vn and at least 92 other hosts point to the same IP. google.com is a domain controlled by four nameservers at google.com themselves. All of them are on different IP networks. Incoming mail for google.com is handled by four mailservers. All of them are on the same IP network. google.com has six IP numbers. All of them are on the same IP network. mail-ew0-f1.google.com is hosted on a server in United States.

mail-ew0-f1.google.com
a records
 
+ 209.85.219.1 209.85.219.0/24 AS15169 -
+ --- -

google.com
a records
 
+ 64.233.169.99 64.233.168.0/23 AS15169  
+ ---  
+ 64.233.169.103 64.233.168.0/23 AS15169  
+ 64.233.169.104 64.233.168.0/23 AS15169  
+ 64.233.169.105 64.233.168.0/23 AS15169  
+ 64.233.169.106 64.233.168.0/23 AS15169  
+ 64.233.169.147 64.233.168.0/23 AS15169  
ns-soa records
ns1.google.com
+ 216.239.32.10 216.239.32.0/24 AS15169 -
+ --- -
ns records
ns1.google.com
+ 216.239.32.10 216.239.32.0/24 AS15169 -
+ --- -
ns2.google.com
+ 216.239.34.10 216.239.34.0/24 AS15169 -
ns3.google.com
+ 216.239.36.10 216.239.36.0/24 AS15169 -
ns4.google.com
+ 216.239.38.10 216.239.38.0/24 AS15169 -
mx records
google.com.s9a1.psmtp.com
+ 74.125.148.10 74.125.148.0/24 AS26910 s9a1.psmtp.com
+ --- s9a1.psmtp.com
google.com.s9a2.psmtp.com
+ 74.125.148.11 74.125.148.0/24 AS26910 s9a2.psmtp.com
+ --- s9a2.psmtp.com
google.com.s9b1.psmtp.com
+ 74.125.148.13 74.125.148.0/24 AS26910 s9b1.psmtp.com
+ --- s9b1.psmtp.com
google.com.s9b2.psmtp.com
+ 74.125.148.14 74.125.148.0/24 AS26910 s9b2.psmtp.com
+ --- s9b2.psmtp.com
ip numbers of host
209.85.219.1
ptrs of ip numbers
mail-ew0-f1.google.com
ip numbers using ptr to this host
209.85.219.1
hostnames sharing ip with a-records
aspmx4.confitec.com.br
aspmx4.googlemail.com
aspmx4.zackparker.org
correo6.optemailing.com
correo6.option.cl
correo92.tafalla.es
danimcdonald.com
echo6.cotterville.net
emx6.altervista.it
f.mx.1690ta.com
f.mx.amgdesign.com.ar
f.mx.digisurf.net
f.mx.lasbrisasappart.com.ar
gmail30c.drsns.net
gmail5.shadowwareservices.com
gmail6.1073.com.au
gmail6.neon-ninja.net
googlemx6.teaminm.com
gxhuamao.com
i.mx.vntx.net
mail-6.656.org
mail4.pinguinux.cl
mail4.strategicsolutions.net
mail5.telcomnet.com.br
mail6.beyondvoice.com
mail6.buty-sportowe.net
mail6.butyadidas.com
mail6.butysportowe.net
mail6.cincyconcours.com
mail6.cityjeans.pl
mail6.dcgroup.biz
mail6.dd32.id.au
mail6.ideprosac.com
mail6.impac.com.co
mail6.intimati.pl
mail6.itconsulting24.com
mail6.ksiazki.fm
mail6.linkstationwiki.net
mail6.mini40.com
mail6.mparmar.com
mail6.mutantdesign.co.uk
mail6.myegynet.net
mail6.nexthop.com.br
mail6.ohioconcours.com
mail6.pro-web.ru
mail6.quidn.com
mail6.tclpartnership.com
mail6.webexperience.pl
mail6.weddinginvitations24.co.uk
mail6.weddinginvitations24.com
mail6.weddinginvitations24.eu
mail6.zabawki.net
mailcore.ict.samspin.net
mailmx6.connoserv.com
mails.alternativefoundation.info
mails.technical.edu
ms6.mail.toxicantidote.net
mx-6.ibest.com.br
mx-6.superig.com.br
mx.teguh.web.id
mx06.pachet.net
mx06.sjlsoftware.net
mx2.mobile-wi.fi
mx2.rwsn.de
mx20.cc-ambert.com
mx24.wemake.pt
mx33.agoravox.fr
mx4.sarpourenx.fr
mx5.hamilton.id.au
mx5.itm.net.br
mx5.thatcubanplace.com
mx6-10.e-diva.ru
mx6-30.tatmedia.com
mx6.agendize.com
mx6.antonoff.net
mx6.declino.it
mx6.enfoke.com
mx6.europolis-project.eu
mx6.hotelbristol.fr
mx6.insighthk.com
mx6.lasalle.pt
mx6.le-parkour.cz
mx6.mt.gov.vn
mx6.nationart.org
mx6.salpagarov.ru
mx6.thisisleaf.co.uk
mx6.triumphcondos.com
mx6.vertisol.com.br
mx6.vietnamways.vn
mx6.viewconference.it
mx6.vit.ac.in
mx6.w-o-welding.com
mx6.weloveasunburntcountry.com
mx6.weshwesh.net
smtp6.universityofit.com
smtpin.apache-university.edu
vaniche.com
domains using this as mailserver under another name
1690ta.com
656.org
enfoke.com
jewishoutreachnetwork.com
mt.gov.vn
neon-ninja.net
ohioconcours.com
samspin.net
vntx.net
zabawki.net