Email Domain Lookup

Browse our comprehensive directory of popular email domains with detailed MX records, SPF, DKIM, DMARC authentication data, and mail server information. Research any domain before sending.

2,731 Domains Indexed
SPF, DKIM, DMARC Checks
MX Record Analysis
All (2,731) Freemail (200) Disposable (589) Corporate (1,134) Government (113) Education (431) Isp (264)
Domain ▲ Type Organization Mail Server Status
hbo.com corporate Warner Bros. Discovery Microsoft 365 Active View
hcahealthcare.com corporate HCA Healthcare Inc. medcity.net Active View
hccfl.edu education Hillsborough Community College Microsoft 365 Active View
hcl.com corporate HCL Technologies Microsoft 365 Active View
hdr.com corporate HDR Inc Google Workspace Active View
headstrong.de disposable — migadu.com Active View
healthcatalyst.com corporate Health Catalyst Inc. Proofpoint Active View
heartland.edu education Heartland Community College Mimecast Active View
heb.com corporate H-E-B Grocery Company Proofpoint Active View
heineken.com corporate Heineken N.V. Microsoft 365 Active View
hendrickcars.com corporate Hendrick Automotive Group GoDaddy Active View
henkel.com corporate Henkel AG Microsoft 365 Active View
heroku.com corporate Salesforce/Heroku Proofpoint Active View
herp.in disposable — None Active View
hetnet.nl isp Het Net kpnmail.nl Active View
hexagon.com corporate Hexagon AB Microsoft 365 Active View
hey.com freemail Basecamp LLC hey.com Active View
hhs.gov government Department of Health and Human Services fireeyegov.com Active View
hi-ho.ne.jp isp Hi-Ho mose-mail.jp Active View
hidemail.de disposable — kasserver.com Active View
hidemail.pro disposable — tblock.net Active View
hidzz.com disposable — cloudflare.net Active View
hilton.com corporate Hilton Worldwide Microsoft 365 Active View
hinet.net isp HiNet (Chunghwa Telecom) hinet.net Active View
hispavista.com freemail Hispavista Spain Microsoft 365 Active View
hispeed.ch isp Hispeed (Cablecom) unified.services Active View
hitachi.com corporate Hitachi Ltd iphmx.com Active View
hku.hk education University of Hong Kong hku.hk Active View
hmamail.com disposable — mb5p.com Active View
hochtief.com corporate HOCHTIEF AG Microsoft 365 Active View
hocking.edu education Hocking College Google Workspace Active View
hoganlovells.com corporate Hogan Lovells Mimecast Active View
hologic.com corporate Hologic Inc. Proofpoint Active View
home.nl isp Home.nl ziggo.nl Active View
homecall.co.uk isp Homecall oxcs.net Active View
homedepot.com corporate The Home Depot Inc. Proofpoint Active View
honda.com corporate Honda Motor Co. Microsoft 365 Active View
honeywell.com corporate Honeywell International Microsoft 365 Active View
hopemail.biz disposable — hopemail.biz Active View
hopkinsmedicine.org corporate Johns Hopkins Medicine None Active View
hot.ee freemail Telia Estonia mailcore.net Active View
hotels.com corporate Hotels.com L.P. expediagroup.com Active View
hotmail.co.jp freemail Microsoft Corporation Microsoft 365 Active View
hotmail.co.th freemail Microsoft Corporation Microsoft 365 Active View
hotmail.co.uk freemail Microsoft Corporation Microsoft 365 Active View
hotmail.com freemail Microsoft Corporation Microsoft 365 Active View
hotmail.com.ar freemail Microsoft Corporation Microsoft 365 Active View
hotmail.com.au freemail Microsoft Corporation Microsoft 365 Active View
hotmail.com.br freemail Microsoft Corporation Microsoft 365 Active View
hotmail.com.tw freemail Microsoft Corporation Microsoft 365 Active View

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