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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 &
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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
snu.ac.kr education Seoul National University gov-dooray.com Active View
snowflake.com corporate Snowflake Inc. Google Workspace Active View
sneakemail.com disposable — sneakemail.com Active View
snap.net.nz isp Snap Internet net.nz Active View
snap.com corporate Snap Inc. Google Workspace Active View
snap-on.com corporate Snap-on Incorporated Proofpoint Active View
smucker.com corporate J.M. Smucker Company mailgun.org Active View
smu.edu education Southern Methodist University Microsoft 365 Active View
smashmail.de disposable — discard.email Active View
smartsheet.com corporate Smartsheet Inc. Proofpoint Active View
slushmail.com disposable — None Active View
slopsbox.com disposable — None Active View
slipry.net disposable — mb5p.com Active View
slingshot.co.nz isp Slingshot co.nz Active View
slaskpost.se disposable — cloudflare.net Active View
slack.com corporate Salesforce Inc. Google Workspace Active View
skyworks.com corporate Skyworks Solutions Microsoft 365 Active View
sky.com isp Sky Group Yahoo Mail Active View
sktelecom.com isp SK Telecom sk.com Active View
skiff.com freemail Skiff None Active View
skechers.com corporate Skechers U.S.A. Inc. Proofpoint Active View
skanska.com corporate Skanska AB Microsoft 365 Active View
skadden.com corporate Skadden Arps Slate Meagher and Flom skadden.com Active View
sjtu.edu.cn education Shanghai Jiao Tong University edu.cn Active View
siu.edu education Southern Illinois University Microsoft 365 Active View
sisense.com corporate Sisense Inc. Google Workspace Active View
siriusxm.com corporate Sirius XM Holdings Proofpoint Active View
sinnlos-mail.de disposable — targetbyte.com Active View
singtel.com isp Singtel mx.microsoft Active View
singaporeair.com corporate Singapore Airlines Microsoft 365 Active View
sinclair.edu education Sinclair Community College Microsoft 365 Active View
sina.com freemail Sina Corp com.cn Active View
simonandschuster.com corporate Simon & Schuster Proofpoint Active View
sika.com corporate Sika AG sika.com Active View
signifyhealth.com corporate Signify Health Inc. Mimecast Active View
sify.com freemail Sify Technologies Microsoft 365 Active View
sierraclub.org corporate Sierra Club Google Workspace Active View
siemens.com corporate Siemens AG mx.microsoft Active View
siemens-healthineers.com corporate Siemens Healthineers Microsoft 365 Active View
siem.com corporate Siemens Gamesa Renewable Energy Self-hosted Active View
sidley.com corporate Sidley Austin Proofpoint Active View
si.edu government Smithsonian Institution Microsoft 365 Active View
shsu.edu education Sam Houston State University Microsoft 365 Active View
shortmail.net disposable — registrar-servers.com Active View
shoprite.com corporate Shoprite Holdings shoprite.com Active View
shopify.com corporate Shopify Inc. Google Workspace Active View
shitmail.org disposable — shitmail.org Active View
shitmail.me disposable — shitmail.me Active View
shitmail.de disposable — tempmail.de Active View
shimano.com corporate Shimano Inc Microsoft 365 Active View

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