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
safe-mail.net freemail Safe-mail None Active View
sabre.com corporate Sabre Corporation Proofpoint Active View
sabic.com corporate SABIC Microsoft 365 Active View
s0ny.net disposable — discard.email Active View
ryanair.com corporate Ryanair Mimecast Active View
rwth-aachen.de education RWTH Aachen University rwth-aachen.de Active View
rwe.com corporate RWE AG rwe.com Active View
rutgers.edu education Rutgers University rutgers.edu Active View
rust.edu education Rust College None Inactive View
runbox.com freemail Runbox Solutions AS runbox.com Active View
rubrik.com corporate Rubrik Inc. Google Workspace Active View
rrt.net isp Reservation Telephone Cooperative ispn.net Active View
rppkn.com disposable — above.com Active View
rpm.com corporate RPM International Inc. Rackspace Email Active View
rpi.edu education Rensselaer Polytechnic Institute rpi.edu Active View
rovio.com corporate Rovio Entertainment Google Workspace Active View
rotork.com corporate Rotork plc Mimecast Active View
ross.com corporate Ross Stores Inc. None Active View
rose-hulman.edu education Rose-Hulman Institute of Technology Microsoft 365 Active View
roper.com corporate Roper Technologies Inc. None Active View
rogers.com isp Rogers Communications Yahoo Mail Active View
rockvalleycollege.edu education Rock Valley College Barracuda Active View
rocketmail.com freemail Yahoo Inc. Yahoo Mail Active View
rochester.edu education University of Rochester rochester.edu Active View
roche.com corporate Roche Holding AG roche.com Active View
roblox.com corporate Roblox Corporation Google Workspace Active View
robinhood.com corporate Robinhood Markets Google Workspace Active View
roberthalf.com corporate Robert Half International Microsoft 365 Active View
roadrunner.com isp Spectrum/Charter charter.net Active View
rnailinator.com disposable — None Inactive View
rmqkr.net disposable — above.com Active View
rklips.com disposable — None Active View
ritzcarlton.com corporate The Ritz-Carlton Hotel Company Microsoft 365 Active View
rit.edu education Rochester Institute of Technology rit.edu Active View
risd.edu education Rhode Island School of Design Google Workspace Active View
rippling.com corporate Rippling Inc. Google Workspace Active View
riotinto.com corporate Rio Tinto Group Microsoft 365 Active View
riotgames.com corporate Riot Games Inc. Google Workspace Active View
ringling.edu education Ringling College of Art and Design Microsoft 365 Active View
ringcentral.com corporate RingCentral Inc. Proofpoint Active View
richland.edu education Richland Community College Microsoft 365 Active View
rice.edu education Rice University rice.edu Active View
rhyta.com disposable — None Inactive View
rfriedkin.com corporate Werner Enterprises None Inactive View
rfreed.com corporate R+L Carriers rfreed.com Active View
rexel.com corporate Rexel S.A. Microsoft 365 Active View
revlon.com corporate Revlon Mimecast Active View
reuters.com corporate Thomson Reuters Proofpoint Active View
repligen.com corporate Repligen Corporation Mimecast Active View
rentech.com corporate Renaissance Technologies None Active View

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