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
unitedway.org corporate United Way Worldwide Barracuda Active View
unitedhealth.com corporate UnitedHealth Group corpmailsvcs.com Active View
united.com corporate United Airlines Proofpoint Active View
uniqlo.com corporate Fast Retailing - UNIQLO Microsoft 365 Active View
unionpacific.com corporate Union Pacific Railroad None Active View
unimelb.edu.au education University of Melbourne Mimecast Active View
unicamp.br education University of Campinas Google Workspace Active View
uni-heidelberg.de education Heidelberg University uni-heidelberg.de Active View
uni-bonn.de education University of Bonn uni-bonn.de Active View
unh.edu education University of New Hampshire Microsoft 365 Active View
ung.edu education University of North Georgia Proofpoint Active View
und.edu education University of North Dakota Microsoft 365 Active View
uncw.edu education University of North Carolina Wilmington Microsoft 365 Active View
uncg.edu education University of North Carolina at Greensboro Microsoft 365 Active View
uncc.edu education University of North Carolina at Charlotte iphmx.com Active View
unca.edu education University of North Carolina at Asheville Google Workspace Active View
unc.edu education University of North Carolina at Chapel Hill Microsoft 365 Active View
unam.mx education National Autonomous University of Mexico Microsoft 365 Active View
una.edu education University of North Alabama Proofpoint Active View
umsl.edu education University of Missouri-St. Louis Microsoft 365 Active View
umn.edu education University of Minnesota umn.edu Active View
umkc.edu education University of Missouri-Kansas City Microsoft 365 Active View
umicore.com corporate Umicore SA Microsoft 365 Active View
umich.edu education University of Michigan umich.edu Active View
umes.edu education University of Maryland Eastern Shore Microsoft 365 Active View
umd.edu education University of Maryland iphmx.com Active View
umass.edu education University of Massachusetts Amherst Microsoft 365 Active View
ulta.com corporate Ulta Beauty Inc. Proofpoint Active View
uky.edu education University of Kentucky Microsoft 365 Active View
ukr.net freemail UKR.NET ukr.net Active View
uiuc.edu education University of Illinois illinois.edu Active View
uis.edu education University of Illinois Springfield Proofpoint Active View
uipath.com corporate UiPath Inc. Microsoft 365 Active View
uiowa.edu education University of Iowa Microsoft 365 Active View
uggsrock.com disposable — powered.name Active View
uga.edu education University of Georgia Microsoft 365 Active View
ufl.edu education University of Florida Microsoft 365 Active View
ufc.com corporate Ultimate Fighting Championship Mimecast Active View
uconn.edu education University of Connecticut Microsoft 365 Active View
uco.edu education University of Central Oklahoma Microsoft 365 Active View
ucla.edu education University of California Los Angeles Google Workspace Active View
ucl.ac.uk education University College London Microsoft 365 Active View
uchicago.edu education University of Chicago Proofpoint Active View
uchealth.org corporate UCHealth iphmx.com Active View
ucf.edu education University of Central Florida Microsoft 365 Active View
ucalgary.ca education University of Calgary Microsoft 365 Active View
uc.edu education University of Cincinnati Microsoft 365 Active View
ubs.com corporate UBS Group AG open.ch Active View
ubisoft.com corporate Ubisoft Entertainment Microsoft 365 Active View
uber.com corporate Uber Technologies Inc. Google Workspace Active View

Can't Find a Domain? Verify Any Email Instantly

Check any email address for deliverability, catch-all detection, and inbox verification.

Free Email Verifier Tool View Bulk Pricing
No Credit Card Required 99.7% Accuracy Real-time API Available
ISO 27001 Security Certified
SOC 2 Type II Auditor Verified
GDPR Fully Compliant
CCPA Privacy Ready
HIPAA Healthcare Ready
AES-256 Encryption