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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 &
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
springer.com corporate Springer Nature Proofpoint Active View
sprouts.com corporate Sprouts Farmers Market Proofpoint Active View
spu.edu education Seattle Pacific University Microsoft 365 Active View
square.com corporate Block Inc. amazonaws.com Active View
squareenix.com corporate Square Enix Holdings Proofpoint Active View
squarespace.com corporate Squarespace Inc. Google Workspace Active View
ssa.gov government Social Security Administration ssa.gov Active View
sscc.edu education Southern State Community College Microsoft 365 Active View
st-andrews.ac.uk education University of St Andrews ac.uk Active View
standardbank.com corporate Standard Bank Group Microsoft 365 Active View
standardmotor.com corporate Standard Motor Products hostedmxserver.com Active View
stanford.edu education Stanford University Proofpoint Active View
stanfordhealthcare.org corporate Stanford Health Care Microsoft 365 Active View
stanley.com corporate Stanley Black & Decker Proofpoint Active View
starbucks.com corporate Starbucks Corporation iphmx.com Active View
starhub.com isp StarHub Proofpoint Active View
startmail.com freemail StartMail BV startmail.com Active View
state.gov government U.S. Department of State Microsoft 365 Active View
statefarm.com corporate State Farm Proofpoint Active View
stc.com.sa isp Saudi Telecom Company com.sa Active View
steeldynamics.com corporate Steel Dynamics Inc. Mimecast Active View
stevens.edu education Stevens Institute of Technology Microsoft 365 Active View
stillman.edu education Stillman College Google Workspace Active View
stmarys-ca.edu education Saint Mary's College of California Google Workspace Active View
stmicro.com corporate STMicroelectronics Microsoft 365 Active View
stofa.dk isp Stofa norlys.dk Active View
stone.co corporate StoneCo Ltd Google Workspace Active View
stonehill.edu education Stonehill College Microsoft 365 Active View
stonybrook.edu education Stony Brook University Google Workspace Active View
stop-my-spam.com disposable — None Active View
strabag.com corporate STRABAG SE Proofpoint Active View
stripe.com corporate Stripe Inc. Google Workspace Active View
stryker.com corporate Stryker Corporation Microsoft 365 Active View
stuffmail.de disposable — stuffmail.de Active View
subr.edu education Southern University and A&M College Microsoft 365 Active View
subway.com corporate Subway Restaurants Microsoft 365 Active View
suddenlink.net isp Altice USA openwave.ai Active View
sumitomo.com corporate Sumitomo Corporation fortimailcloud.com Active View
summit-materials.com corporate Summit Materials Inc. Microsoft 365 Active View
sumo.com corporate Sumo Logic Inc. Google Workspace Active View
suno.edu education Southern University at New Orleans Microsoft 365 Active View
sunpower.com corporate SunPower Corporation Microsoft 365 Active View
sunrise.ch isp Sunrise Communications unified.services Active View
sunrun.com corporate Sunrun Google Workspace Active View
supabase.com corporate Supabase Inc. Google Workspace Active View
supanet.com isp Supanet net.uk Active View
supercell.com corporate Supercell Oy Google Workspace Active View
superrito.com disposable — fakemailgenerator.com Active View
superstachel.de disposable — kv.de Active View
suremail.info disposable — mailinator.com Active View

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