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
renishaw.com corporate Renishaw plc Microsoft 365 Active View
renesas.com corporate Renesas Electronics Microsoft 365 Active View
render.com corporate Render Inc. Google Workspace Active View
remote.com corporate Remote Technology Inc. Google Workspace Active View
remgro.com corporate Remgro Limited Mimecast Active View
remax.com corporate RE/MAX Holdings Inc. Mimecast Active View
reliable-mail.com disposable — reliable-mail.com Active View
rejectmail.com disposable — None Active View
rei.com corporate REI Co-op Proofpoint Active View
regjeringen.no government Government of Norway None Active View
regions.com corporate Regions Financial Corporation Proofpoint Active View
regeneron.com corporate Regeneron Pharmaceuticals Proofpoint Active View
regbypass.com disposable — trouble-free.net Active View
redlands.edu education University of Redlands Microsoft 365 Active View
rediffmail.com freemail Rediff.com India akadns.net Active View
redhat.com corporate Red Hat/IBM Mimecast Active View
redfin.com corporate Redfin Corporation Google Workspace Active View
reddit.com corporate Reddit Inc. Google Workspace Active View
redcross.org corporate American Red Cross Microsoft 365 Active View
recyclemail.dk disposable — thirdechelon.net Active View
recursor.net disposable — spamgourmet.com Active View
recode.me disposable — None Active View
reckitt.com corporate Reckitt Benckiser Mimecast Active View
receiveee.com disposable — None Active View
realogy.com corporate Realogy Holdings Corp. Mimecast Active View
reallymymail.com disposable — None Inactive View
rcpt.at disposable — trashmail.com Active View
rcn.com isp RCN Corporation rcn.com Active View
rccc.edu education Rowan-Cabarrus Community College Microsoft 365 Active View
razer.com corporate Razer Inc. Microsoft 365 Active View
raytheon.com corporate RTX Corporation Proofpoint Active View
rappi.com corporate Rappi Google Workspace Active View
rapid7.com corporate Rapid7 Inc. Google Workspace Active View
randstad.com corporate Randstad Google Workspace Active View
ramp.com corporate Ramp Financial Inc. Google Workspace Active View
rambler.ru freemail Rambler&Co rambler.ru Active View
rakuten.com corporate Rakuten Group Microsoft 365 Active View
radisson.com corporate Radisson Hotel Group trendmicro.eu Active View
radford.edu education Radford University Microsoft 365 Active View
r7.com freemail Record Group Brazil com.br Active View
quicknet.nl isp Quicknet ziggo.nl Active View
quickinbox.com disposable — quickinbox.com Active View
queensu.ca education Queen's University Microsoft 365 Active View
quanta.com corporate Quanta Services None Active View
qualys.com corporate Qualys Inc. Proofpoint Active View
qualcomm.com corporate Qualcomm Inc. Proofpoint Active View
qq.com freemail Tencent Holdings qq.com Active View
qorvo.com corporate Qorvo Inc Proofpoint Active View
qlik.com corporate Qlik Technologies Proofpoint Active View
qantas.com corporate Qantas Airways Proofpoint Active View

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