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
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
notredame.edu education University of Notre Dame None Inactive 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
nomura.com corporate Nomura Holdings Proofpoint Active View
nokia.com corporate Nokia Corporation Microsoft 365 Active View
nobody.exposed disposable — None Inactive View
noaa.gov government National Oceanic and Atmospheric Administration Google Workspace Active View
nmu.edu education Northern Michigan University Google Workspace Active View
nku.edu education Northern Kentucky University Microsoft 365 Active View
njit.edu education New Jersey Institute of Technology Google Workspace Active View
niu.edu education Northern Illinois University Microsoft 365 Active View
nist.gov government National Institute of Standards and Technology Microsoft 365 Active View
nissinfoods.com corporate Nissin Foods Holdings Microsoft 365 Active View
nio.com corporate NIO Inc nioext.com Active View
nintendo.com corporate Nintendo Co. Ltd. Proofpoint Active View
nike.com corporate Nike Inc. Proofpoint Active View
nih.gov government National Institutes of Health nih.gov Active View
nifty.com isp Nifty Corporation nifty.com Active View
nice.com corporate NICE Ltd. nice.com Active View

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