ReverseMX.com: MX Record Lookup and SPF Record Check

Email Server / Domain Name / IP Address

Mail Server Concentration by Country

Mail Server Concentration by State (USA)

Popular Mail Servers

Mail Server	IP Address	IP Location	Network Owner	# Domains	Oldest Domain
mailstore1.secureserver.net	216.69.186.201	US, New York	Godaddy.com Llc	32.9 million	@ide.com
aspmx.l.google.com	74.125.141.27	US, New York	Google Inc.	4.5 million	@brown.edu
aspmx2.googlemail.com	173.194.76.26	US, California	Google Inc.	4.0 million	@brown.edu
mx01.1and1.com	74.208.5.21	US, Pennsylvania	1&1 Internet Inc.	2.6 million	@instep.com
p.nsm.ctmail.com	216.163.188.57	US, California	Commtouch Inc.	1.3 million	@da.com
mx.isp-inter.net	54.245.101.57	US, Oregon	Amazon.com Inc.	1.2 million	@dataplus.com
mx5.biz.mail.yahoo.com	68.142.202.129	US, California	Inktomi Corporation	1.1 million	@limbach.com
mx01.kundenserver.de	212.227.15.150	DE, Baden-Wurtte ...	1&1 Internet Ag	866,000	@astrosoft.com
eforward2.registrar-server ...	209.105.246.195	US, Texas	Ebl Global Networks Inc.	636,000	@broadcatch.com
mailin.rzone.de	81.169.145.101	DE, Berlin	Strato Ag	631,000	@minos.com
inbound.homesteadmail.com	209.157.71.80	US, Colorado	Ntt America Inc.	597,000	@gofilters.com
redirect.ovh.net	213.186.33.5	FR, Nord-Pas-De- ...	Ovh Systems	591,000	@franceway.com
postbox.fabulous.com	128.242.120.13	US, California	Ntt America Inc.	575,000	@unitedis.com
mx01.1and1.co.uk	212.227.15.169	DE, Baden-Wurtte ...	1&1 Internet Ag	539,000	@rendersoft.com
mx01.1and1.fr	212.227.15.186	DE, Baden-Wurtte ...	1&1 Internet Ag	447,000	@artpix.com
mx1.emailsrvr.com	173.203.2.36	US, Illinois	Rackspace Backbone En ...	398,000	@equator.com
spool.mail.gandi.net	217.70.184.6	FR, Ile-De-France	Gandi Sas	396,000	@rio.net
mx01.1and1.es	212.227.15.150	DE, Baden-Wurtte ...	1&1 Internet Ag	357,000	@agape.org
mx01.udag.de	62.146.106.40	DE, Bayern	United-domains Ag	352,000	@ubmedia.com
mx01.lolipop.jp	210.172.144.10	JP, Tokyo	Gmo Internet Inc.	304,000	@tokachi.com
mail.register.it	195.110.124.132	IT, Lombardia	Dadanet Italia	271,000	@gapi.com
mx01.schlund.de	212.227.15.150	DE, Baden-Wurtte ...	1&1 Internet Ag	245,000	@cube.net
mxlb.ispgateway.de	80.67.18.126	DE, Berlin	Domainfactory Gmbh	238,000	@ewave.com
mailgw.ns36.de	127.0.0.1	—	—	230,000	@fib.net
mx1.123-reg.co.uk	94.136.40.152	GB, England	Webfusion Internet So ...	203,000	@laslett.com
mxbiz1.qq.com	64.71.138.90	US, California	Tencent America Llc.	183,000	@qix.com
mx1.daemonmail.net	216.104.161.4	US, Indiana	Tierranet Inc.	177,000	@arts.com
eforwardct.name-services.com	216.163.188.58	US, California	Commtouch Inc.	173,000	@iconnet.com
inbound.registeredsite.com	66.97.46.122	US, Louisiana	Web.com Inc.	172,000	@databasepub.com
mx2c40.carrierzone.com	64.29.151.237	US, New York	Internetnamesforbusin ...	167,000	@graphcomp.com
mail.domainingdepot.com	174.137.132.45	US, New Jersey	Webair Internet Devel ...	152,000	@svec.com
sitemail.everyone.net	216.200.145.235	US, California	Everyone.net	149,000	@lawthers.com
mx1.sub4.homie.mail.dreamh ...	208.97.132.226	US, Florida	New Dream Network Llc	133,000	@gumption.org
mx.hover.com.cust.hostedem ...	216.40.42.4	CA, Ontario	Tucows.com Co.	132,000	@virtualschool.org
mailnull.trafficz.com	127.0.0.1	—	—	125,000	@worldtalk.com
mail-fwd.att-webhosting.com	198.66.164.253	US, Colorado	Ntt America Inc.	118,000	@autokinetics.com
custmx.cscdns.net	165.160.10.151	US, Delaware	Corporation Service C ...	111,000	@kai.com
fwd2.hosts.co.uk	85.233.160.24	GB, England	Namesco Hosting The	107,000	@ordern.com
relay2.netnames.net	212.53.64.44	GB, England	Managed Hosting Share ...	96,700	@picco.com
mail-fwd.mx.g19.rapidsite.net	199.239.254.18	US, New York	Ntt America Inc.	96,200	@webservices.com
m1.dnsix.com	66.11.225.137	US, Connecticut	Dotster Inc	91,700	@harris-atd.com
mail.net4india.com	118.67.248.42	IN, Andhra Pradesh	Chennai/infra/netops	91,600	@chefexpress.com
mx10.mailspamprotection.com	96.127.190.2	US, Illinois	Singlehop Inc.	87,300	@ttm.com
mx2.firstfind.nl	85.158.202.246	NL, Noord-Holland	Cyso Hosting B.v.	81,700	@mercis.com
mx1.jimdo.com	98.129.184.3	US, Texas	Rackspace Email & Apps	81,300	@kogure.com
mx-cluster-b1.one.com	195.47.247.194	DK, Hovedstaden	One.com A/s	73,500	@fps.org
pamx1.hotmail.com	65.54.188.109	US, California	Microsoft Corp	73,000	@petracca.com
relay.mx.skynet.be	195.238.5.130	BE, Brussels Hoo ...	Belgacom Sa/nv	70,500	@leonidas.com
mx.a.locaweb.com.br	186.202.4.42	BR, Sao Paulo	Locaweb Servicos De I ...	67,900	@digerati.com
mailforward.lcn.com	94.126.40.212	GB, England	Advantage Interactive ...	64,600	@intermaths.com