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
anthem.com corporate Elevance Health Proofpoint Active View
antichef.com disposable — spamgourmet.com Active View
antichef.net disposable — spamgourmet.com Active View
antietam.net isp Antietam Broadband mailerhost.net Active View
antispam.de disposable — 2xs.de Active View
antispam24.de disposable — None Active View
anu.edu.au education Australian National University Microsoft 365 Active View
aol.co.uk isp AOL UK Yahoo Mail Active View
aol.com freemail AOL Inc. Yahoo Mail Active View
ap.org corporate Associated Press Microsoft 365 Active View
appdynamics.com corporate Cisco / AppDynamics cisco.com Active View
appian.com corporate Appian Corporation Google Workspace Active View
apple.com corporate Apple Inc. apple.com Active View
appstate.edu education Appalachian State University iphmx.com Active View
apsu.edu education Austin Peay State University Microsoft 365 Active View
aptiv.com corporate Aptiv PLC Microsoft 365 Active View
aqr.com corporate AQR Capital Management Proofpoint Active View
aramco.com corporate Saudi Aramco aramco.com Active View
arbutus.com corporate Arbutus Biopharma mailspamprotection.com Active View
arcbest.com corporate ArcBest Corporation gcr.bz Active View
archives.gov government National Archives and Records Administration fireeyegov.com Active View
arcor.de freemail Vodafone Germany vodafonemail.de Active View
arizona.gov government State of Arizona Google Workspace Active View
arkema.com corporate Arkema SA Microsoft 365 Active View
arla.com corporate Arla Foods None Active View
arm.com corporate Arm Holdings Microsoft 365 Active View
armstrong.net isp Armstrong Utilities Microsoft 365 Active View
armyspy.com disposable — fakemailgenerator.com Active View
arnet.com.ar isp Arnet (Telecom Argentina) None Active View
artcenter.edu education ArtCenter College of Design Proofpoint Active View
arvig.net isp Arvig atmailcloud.com Active View
asahi-net.or.jp isp Asahi Net xspmail.jp Active View
asahi.com corporate Asahi Group Holdings iphmx.com Active View
asana.com corporate Asana Inc. Google Workspace Active View
ascension.org corporate Ascension Health Mimecast Active View
ashland.com corporate Ashland Global Holdings Proofpoint Active View
asics.com corporate ASICS Corporation Mimecast Active View
asml.com corporate ASML Holding Microsoft 365 Active View
assumption.edu education Assumption University Microsoft 365 Active View
astate.edu education Arkansas State University Proofpoint Active View
astound.net isp Astound Broadband wavemail.com Active View
astrazeneca.com corporate AstraZeneca PLC Mimecast Active View
asu.edu education Arizona State University cf-emailsecurity.net Active View
asus.com corporate ASUSTeK Computer asus.com Active View
atf.gov government Bureau of Alcohol, Tobacco, Firearms and Explosives usdoj.gov Active View
atlantic.net isp Atlantic.Net atlantic.net Active View
atlas-copco.com corporate Atlas Copco None Active View
atlas.cz freemail Atlas.cz eco-mx.cz Active View
atlassian.com corporate Atlassian Corporation Proofpoint Active View
att.net isp AT&T Inc. Yahoo Mail Active View

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