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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
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Deliverability
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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
odu.edu education Old Dominion University Microsoft 365 Active View
odn.ne.jp isp ODN (Japan Telecom) trendmicro.com Active View
ocn.ne.jp isp OCN (NTT Communications) bizmw.com Active View
ochsner.org corporate Ochsner Health Microsoft 365 Active View
oceanspray.com corporate Ocean Spray Cranberries Microsoft 365 Active View
obobbo.com disposable — None Active View
objectmail.com disposable — trashmail.com Active View
oakton.edu education Oakton College Google Workspace Active View
o2online.de isp O2 Germany o2online.de Active View
o2.pl freemail Grupa Pracuj tlen.pl Active View
o2.co.uk isp O2 / Virgin Media None Active View
nyulangone.org corporate NYU Langone Health Proofpoint Active View
nyu.edu education New York University Proofpoint Active View
nytimes.com corporate The New York Times Google Workspace Active View
nyse.com corporate New York Stock Exchange Proofpoint Active View
ny.gov government State of New York Microsoft 365 Active View
nxp.com corporate NXP Semiconductors Microsoft 365 Active View
nwtel.ca isp Northwestel Microsoft 365 Active View
nwosu.edu education Northwestern Oklahoma State University Microsoft 365 Active View
nwmissouri.edu education Northwest Missouri State University Microsoft 365 Active View
nwldx.com disposable — above.com Active View
nwfsc.edu education Northwest Florida State College Microsoft 365 Active View
nvidia.com corporate NVIDIA Corporation Microsoft 365 Active View
nvent.com corporate nVent Electric plc Microsoft 365 Active View
nuveen.com corporate Nuveen LLC Microsoft 365 Active View
nutanix.com corporate Nutanix Inc. Proofpoint Active View
nus.edu.sg education National University of Singapore trendmicro.com Active View
numericable.fr isp Numericable sfr.fr Active View
nucor.com corporate Nucor Corporation Microsoft 365 Active View
nubank.com corporate Nu Holdings - Nubank Google Workspace Active View
ntu.edu.sg education Nanyang Technological University trendmicro.com Active View
ntt.com isp NTT Communications Microsoft 365 Active View
ntlworld.com freemail Virgin Media UK virginmedia.com Active View
ntl.com isp Virgin Media UK fireeyecloud.com Active View
ntelos.net isp nTelos carrierzone.com Active View
nsa.gov government National Security Agency mail.mil Active View
nrdc.org corporate Natural Resources Defense Council Proofpoint Active View
nps.gov government National Park Service Microsoft 365 Active View
novoNordisk.com corporate Novo Nordisk Mimecast Active View
novartis.com corporate Novartis AG Proofpoint Active View
nottingham.ac.uk education University of Nottingham Microsoft 365 Active View
notion.so corporate Notion Labs None Active View
northwestern.edu education Northwestern University northwestern.edu Active View
northwestel.ca isp Northwestel Inc. Barracuda Active View
northropgrumman.com corporate Northrop Grumman None Active View
northcarolina.gov government State of North Carolina None Active View
norfolksouthern.com corporate Norfolk Southern Proofpoint Active View
nordson.com corporate Nordson Corporation Mimecast Active View
nordnet.fr isp Nordnet nordnet.fr Active View
noos.fr isp Noos sfr.fr Active View

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