The Microsoft consumer-mail family includes current Outlook domains and older Hotmail, Live, and MSN addresses. Custom-domain Microsoft 365 mailboxes are not identifiable from those brand domains alone.
Use this page to validate Outlook email addresses, review domain and DNS health, and quickly spot low-quality or temporary inbox patterns.
Useful for Microsoft 365 and legacy Hotmail-style addresses. Use this page to review whether addresses on these domains look technically consistent before signups, imports, or outbound campaigns.
Check unusual domain spellings as well. Examples such as outlok.com, outllook.com, outlook.con, hotmal.com may look familiar but are not automatically owned by the real provider.
A lookalike domain can be a typo, a different domain, or a temporary provider. Use the validator for the full address and correct the input when the domain does not match exactly.
The Microsoft consumer-mail family includes current Outlook domains and older Hotmail, Live, and MSN addresses. Custom-domain Microsoft 365 mailboxes are not identifiable from those brand domains alone.
When cleaning older customer data, compare the domain exactly and retain legitimate legacy addresses. Validate the complete address before CRM import, then use bounce and consent history as separate operational signals.
A Microsoft-hosted domain and a Microsoft-branded address are different concepts. DNS may show that a custom domain routes mail through Microsoft, but it does not prove which service plan or mailbox owns the recipient.
This page is intended for addresses using Outlook and related Microsoft domains. It separates the exact catalog domains (outlook.com, hotmail.com, live.com, msn.com) from lookalikes and unrelated custom domains.
Provider domains, aliases, and account rules can change. Use the official help center for account-specific questions; this page only reports public technical validation signals.
Official provider helpMany providers use more than one active domain, legacy alias, or regional address pattern. That means an email can still belong to the same provider family even when the visible domain is not the most obvious one.
This page helps you compare the submitted address against the common domains listed above, then verify whether DNS and mail-routing signals still look healthy for that address family.
Enter the full email address, start the check, and review syntax, domain, DNS, and disposable-domain signals in the result page. This works for common Outlook domains such as outlook.com, hotmail.com, live.com, msn.com.
No. Validation improves data quality and helps identify obvious risks, but it cannot guarantee mailbox existence or delivery in every case.
Yes. This page is designed for pre-checking addresses used in signup forms, imports, and outbound campaign preparation.
Some providers operate more than one active domain, including legacy aliases, regional variants, or newer replacement domains. Listing them together makes it easier to validate addresses from the same provider family.
Useful for Google Workspace and consumer Gmail addresses.
Useful for long-standing consumer Yahoo inboxes.
Useful for Apple ecosystem inboxes and legacy Apple aliases.
Useful for privacy-focused inboxes and alias-style addressing.
Useful for DACH-region consumer addresses across GMX domains.
Useful for consumer addresses with broad alias options.
Check any domain or choose another provider page.