| 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, Michigan | 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, Rhode Island | 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 |
