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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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Live Mailbox
Verification
MX Records &
Server Health
SPF, DKIM
& DMARC
Deliverability
Scoring
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
stmicro.com corporate STMicroelectronics Microsoft 365 Active View
stmarys-ca.edu education Saint Mary's College of California Google Workspace Active View
stillman.edu education Stillman College Google Workspace Active View
stevens.edu education Stevens Institute of Technology Microsoft 365 Active View
steeldynamics.com corporate Steel Dynamics Inc. Mimecast Active View
stc.com.sa isp Saudi Telecom Company com.sa Active View
statefarm.com corporate State Farm Proofpoint Active View
state.gov government U.S. Department of State Microsoft 365 Active View
startmail.com freemail StartMail BV startmail.com Active View
starhub.com isp StarHub Proofpoint Active View
starbucks.com corporate Starbucks Corporation iphmx.com Active View
stanley.com corporate Stanley Black & Decker Proofpoint Active View
stanfordhealthcare.org corporate Stanford Health Care Microsoft 365 Active View
stanford.edu education Stanford University Proofpoint Active View
standardmotor.com corporate Standard Motor Products hostedmxserver.com Active View
standardbank.com corporate Standard Bank Group Microsoft 365 Active View
st-andrews.ac.uk education University of St Andrews ac.uk Active View
sscc.edu education Southern State Community College Microsoft 365 Active View
ssa.gov government Social Security Administration ssa.gov Active View
squarespace.com corporate Squarespace Inc. Google Workspace Active View
squareenix.com corporate Square Enix Holdings Proofpoint Active View
square.com corporate Block Inc. amazonaws.com Active View
spu.edu education Seattle Pacific University Microsoft 365 Active View
sprouts.com corporate Sprouts Farmers Market Proofpoint Active View
springer.com corporate Springer Nature Proofpoint Active View
spotify.com corporate Spotify AB Google Workspace Active View
spoofmail.de disposable — spoofmail.de Active View
splunk.com corporate Splunk Inc. cisco.com Active View
spirit.com corporate Spirit Airlines arsmtp.com Active View
spirax-sarco.com corporate Spirax-Sarco Engineering None Active View
spin-master.com corporate Spin Master Self-hosted Active View
sphere.ne.jp isp Sphere ne.jp Active View
spelman.edu education Spelman College Microsoft 365 Active View
speedy.com.ar isp Speedy (Telefonica Argentina) terra.com Active View
spectrumbrands.com corporate Spectrum Brands Holdings Microsoft 365 Active View
spectrum.net isp Charter Communications charter.net Active View
spectris.com corporate Spectris plc Mimecast Active View
sparklight.net isp Sparklight Internet cableone.net Active View
spark.co.nz isp Spark New Zealand Microsoft 365 Active View
spamstack.net disposable — amazonaws.com Active View
spamspot.com disposable — None Active View
spamslicer.com disposable — casadorock.com Active View
spamoff.de disposable — None Active View
spammotel.com disposable — spammotel.com Active View
spamify.com disposable — None Active View
spamhole.com disposable — computer.com Active View
spamhereplease.com disposable — mailinator.com Active View
spamgourmet.net disposable — spamgourmet.com Active View
spamgourmet.com disposable — spamgourmet.com Active View
spamfree24.org disposable — h-email.net Active View

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Upload a CSV, clean your list, and remove every invalid, disposable, and spam trap address. No contracts. No monthly fees. Just pay for what you need.

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