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
johnson-matthey.com corporate Johnson Matthey co.uk Active View
johndeere.com corporate Deere & Company Proofpoint Active View
jnxjn.com disposable — powered.name Active View
jmu.edu education James Madison University Microsoft 365 Active View
jll.com corporate Jones Lang LaSalle Inc. Proofpoint Active View
jio.com isp Reliance Jio jio.com Active View
jinkosolar.com corporate JinkoSolar jinkosolar.com Active View
jhu.edu education Johns Hopkins University johnshopkins.edu Active View
jfrog.com corporate JFrog Ltd. Google Workspace Active View
jetbrains.com corporate JetBrains s.r.o. Google Workspace Active View
jetblue.com corporate JetBlue Airways Microsoft 365 Active View
jetable.org disposable — yopmail.com Active View
jetable.net disposable — ovh.net Active View
jetable.fr.nf disposable — fr.nf Active View
jetable.com disposable — None Active View
jd.com corporate JD.com jd.com Active View
jbhunt.com corporate J.B. Hunt Transport Services Proofpoint Active View
jazztel.com isp Jazztel trendmicro.eu Active View
jarvis.edu education Jarvis Christian University Microsoft 365 Active View
jameshardie.com corporate James Hardie Industries Microsoft 365 Active View
jal.com corporate Japan Airlines Google Workspace Active View
jacobs.com corporate Jacobs Solutions Proofpoint Active View
jackinthebox.com corporate Jack in the Box Inc. Mimecast Active View
izzi.mx isp izzi Telecom Microsoft 365 Active View
iwi.net disposable — ppe-hosted.com Active View
ivytech.edu education Ivy Tech Community College iphmx.com Active View
iupui.edu education Indiana University-Purdue University Indianapolis Microsoft 365 Active View
itw.com corporate Illinois Tool Works Inc. Microsoft 365 Active View
itochu.com corporate ITOCHU Corporation Mimecast Active View
itesm.mx education Tecnologico de Monterrey Microsoft 365 Active View
itau.com corporate Itau Unibanco com.br Active View
irsc.edu education Indian River State College Microsoft 365 Active View
irs.gov government Internal Revenue Service irs.gov Active View
irish2me.com disposable — balansor.com Active View
iqvia.com corporate IQVIA Holdings Inc. Microsoft 365 Active View
ipoo.org disposable — Self-hosted Active View
iowa.gov government State of Iowa Google Workspace Active View
ionis.com corporate Ionis Pharmaceuticals Microsoft 365 Active View
iol.pt freemail Portugal Telecom iol.pt Active View
iol.ie isp Ireland On-Line esat.net Active View
invesco.com corporate Invesco Ltd. Proofpoint Active View
interpublic.com corporate Interpublic Group Proofpoint Active View
internode.on.net freemail Internode Australia atmailcloud.com Active View
international-paper.com corporate International Paper Company Microsoft 365 Active View
intermountainhealthcare.org corporate Intermountain Healthcare Proofpoint Active View
interior.gov government Department of the Interior Microsoft 365 Active View
interia.pl freemail Interia PL interia.pl Active View
intercom.com corporate Intercom Inc. Google Workspace Active View
intelliatx.com corporate Intellia Therapeutics Mimecast Active View
intel.com corporate Intel Corporation intel.com Active View

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