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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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MX Records &
Server Health
SPF, DKIM
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Deliverability
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WHOIS &
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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
commerce.gov government Department of Commerce Microsoft 365 Active View
commonspirit.org corporate CommonSpirit Health Proofpoint Active View
commvault.com corporate Commvault Systems fireeyecloud.com Active View
compass.com corporate Compass Inc. Google Workspace Active View
conagra.com corporate Conagra Brands Proofpoint Active View
confluent.io corporate Confluent Inc. Proofpoint Active View
consolidated.net isp Consolidated Communications carrierzone.com Active View
consolidatedcommunications.com isp Consolidated Communications Self-hosted Active View
constellation.com corporate Constellation Brands Microsoft 365 Active View
contentful.com corporate Contentful GmbH Proofpoint Active View
continental.com corporate Continental AG Microsoft 365 Active View
convoy.com corporate Convoy Proofpoint Active View
cooper.edu education The Cooper Union Microsoft 365 Active View
coppin.edu education Coppin State University Proofpoint Active View
cornell.edu education Cornell University Microsoft 365 Active View
corsair.com corporate Corsair Gaming Mimecast Active View
cosco.com corporate COSCO Shipping cosco.com Active View
cosmorph.com disposable — None Active View
costco.com corporate Costco Wholesale Proofpoint Active View
coty.com corporate Coty Inc Google Workspace Active View
couchbase.com corporate Couchbase Inc. Google Workspace Active View
countermail.com freemail CounterMail countermail.com Active View
coupa.com corporate Coupa Software Mimecast Active View
covance.com corporate Covance Inc. covance.com Active View
covestro.com corporate Covestro AG Microsoft 365 Active View
cox.net isp Cox Communications Yahoo Mail Active View
coyote.com corporate Coyote Logistics Proofpoint Active View
cpcc.edu education Central Piedmont Community College Proofpoint Active View
crackerbarrel.com corporate Cracker Barrel Old Country Store Barracuda Active View
cranbrook.edu education Cranbrook Academy of Art Proofpoint Active View
crapmail.org disposable — shitmail.org Active View
crastination.de disposable — kasserver.com Active View
cravath.com corporate Cravath Swaine and Moore Proofpoint Active View
crazymailing.com disposable — crazymailing.com Active View
creditsuisse.com corporate Credit Suisse open.ch Active View
crestwood.com corporate Crestwood Equity Partners Microsoft 365 Active View
criptext.com freemail Criptext cloudflare.net Active View
crispr.com corporate CRISPR Therapeutics Self-hosted Active View
crocs.com corporate Crocs Inc. Microsoft 365 Active View
croda.com corporate Croda International Microsoft 365 Active View
crowdstrike.com corporate CrowdStrike Holdings Proofpoint Active View
crowley.com corporate Crowley Maritime Microsoft 365 Active View
crowncastle.com corporate Crown Castle International Microsoft 365 Active View
crunchyroll.com corporate Crunchyroll LLC Google Workspace Active View
cscc.edu education Columbus State Community College Microsoft 365 Active View
csx.com corporate CSX Transportation Microsoft 365 Active View
ctbc.com.br isp CTBC Telecom Google Workspace Active View
ctc.net isp Citizens Telephone Company windstream.net Active View
ctemplar.com freemail CTemplar None Active View
cubiclink.com disposable — Self-hosted Active View

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