domain report

Is 3126.com a business email?

No. 3126.com is a free email provider: one shared domain used by many unrelated people.

GET /v1/check?domain=3126.comchecked 6 Oct 2026
isBusinessEmail("3126.com")
false

Personal email on a shared provider (think Gmail, Outlook, Yahoo).

category
personal
recommendation
block
confidence
97%
  • Google Workspace: not detected
  • Microsoft 365: not detected

Mail setup

Receives mail
No
Mail provider
—
SPF
—
DMARC policy
None

Workspace

  • Google WorkspaceNot detected
  • Microsoft 365Not detected

Detected per company domain from public DNS and Microsoft's documented tenant discovery — never per person.

Why this verdict

Confidence 97% · recommendation block under the default b2b policy.

What this means

Anyone can open an inbox at 3126.com, so an address there says nothing about the company the person works for. That makes it a personal email, even when someone uses it for work. It is on our free email providers list.

isBusinessEmail returns category "personal": block under the b2b and strict policies, allow under lenient. 3126.com publishes no MX records, so it can't receive email at the moment.

See the full free email providers list →

Questions about 3126.com

Is 3126.com a business email?

No. 3126.com is a shared email provider, so isBusinessEmail classifies it as "personal". A business email uses a domain the company owns.

Is 3126.com a free email provider?

Yes. 3126.com hands out inboxes on its own domain to individuals, which is what makes an address there a personal email.

Should a B2B product accept 3126.com sign-ups?

It depends on what you need. If you need a company tenant or a company to sell to, ask for a work email; if you only want real people, accept it. The b2b policy blocks personal addresses and the lenient policy allows them.

How can I tell 3126.com apart from a company domain in code?

POST the address to /v1/check: shared providers come back with category "personal" and is_free_provider: true, company domains with category "business".

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Checked over a POST request — nothing you type ends up in a URL or in analytics.