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Find out if an email is real before you send. Select any domain below to verify a mailbox exists, check MX records and mail server health, review SPF, DKIM and DMARC authentication, and see the full deliverability profile. Or upload your entire list to the bulk verifier and clean it with 99.7% accuracy.

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Every Domain Report Includes

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Verification
MX Records &
Server Health
SPF, DKIM
& DMARC
Deliverability
Scoring
WHOIS &
Domain History

Popular Domains

gmail.com Google LLC yahoo.com Yahoo Inc. outlook.com Microsoft Corporation hotmail.com Microsoft Corporation live.com Microsoft Corporation icloud.com Apple Inc. aol.com AOL Inc. protonmail.com Proton AG comcast.net Comcast Corporation verizon.net Verizon Communications att.net AT&T Inc. msn.com Microsoft Corporation
All (2,731) Freemail (200) Disposable (589) Corporate (1,134) Government (113) Education (431) Isp (264)
Domain ▲ Type Organization Mail Server Status
circleci.com corporate CircleCI Inc. Proofpoint Active View
cisco.com corporate Cisco Systems Inc. cisco.com Active View
citadel.com corporate Citadel LLC Proofpoint Active View
citadel.edu education The Citadel Microsoft 365 Active View
citi.com corporate Citigroup Inc. citi.com Active View
citizens.com corporate Citizens Financial Group Self-hosted Active View
citromail.hu freemail DIGI Hungary mailcore.net Active View
ciudad.com.ar isp Ciudad Internet Microsoft 365 Active View
claflin.edu education Claflin University Microsoft 365 Active View
claro.com.br isp Claro Brasil iphmx.com Active View
clear.net.nz freemail Callplus NZ iqhive.com Active View
clearchannel.com corporate Clear Channel Outdoor Microsoft 365 Active View
clemson.edu education Clemson University Microsoft 365 Active View
clevelandclinic.org corporate Cleveland Clinic Mimecast Active View
clickup.com corporate ClickUp Inc. Google Workspace Active View
clif.com corporate Clif Bar and Company privateemail.com Active View
cliffordchance.com corporate Clifford Chance Mimecast Active View
clix.pt freemail Sonaecom Portugal smail.eu Active View
clixser.com disposable — None Active View
clorox.com corporate The Clorox Company Microsoft 365 Active View
cloudera.com corporate Cloudera Inc. Google Workspace Active View
cloudflare.com corporate Cloudflare Inc. cf-emailsecurity.net Active View
club-internet.fr isp Club Internet sfr.fr Active View
cma-cgm.com corporate CMA CGM Group Microsoft 365 Active View
cmail.org disposable — Google Workspace Active View
cmegroup.com corporate CME Group Inc. Proofpoint Active View
cmich.edu education Central Michigan University Microsoft 365 Active View
cms-energy.com corporate CMS Energy Self-hosted Active View
cms.gov government Centers for Medicare & Medicaid Services fireeyegov.com Active View
cmu.edu education Carnegie Mellon University Google Workspace Active View
cn.ca corporate Canadian National Railway iphmx.com Active View
cna.com corporate CNA Financial Corporation Proofpoint Active View
cnn.com corporate Warner Bros. Discovery Microsoft 365 Active View
coastal.edu education Coastal Carolina University Microsoft 365 Active View
coca-cola.com corporate The Coca-Cola Company Proofpoint Active View
cockroachlabs.com corporate Cockroach Labs Inc. Google Workspace Active View
cod.edu education College of DuPage cod.edu Active View
cofc.edu education College of Charleston Microsoft 365 Active View
cogeco.ca isp Cogeco Communications cogeco.ca Active View
cognizant.com corporate Cognizant Technology Microsoft 365 Active View
cohesity.com corporate Cohesity Inc. mxrecord.io Active View
coinbase.com corporate Coinbase Global Google Workspace Active View
coldemail.info disposable — None Active View
coldwellbanker.com corporate Coldwell Banker Real Estate Microsoft 365 Active View
colgatepalmolive.com corporate Colgate-Palmolive Company Zoho Mail Active View
colliers.com corporate Colliers International Proofpoint Active View
colorado.edu education University of Colorado Boulder Microsoft 365 Active View
colorado.gov government State of Colorado None Active View
columbia.edu education Columbia University Proofpoint Active View
comcast.net isp Comcast Corporation comcast.net Active View

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