Email Domains Starting with C - Page 12

Search email domains by risk status

Search and browse email domains classified by RiskMail. Identify temporary/disposable domains and safe email providers.

Jump to All 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
letter C
c32.cdn3x.com
No MX
Safe
c32broadband.com
Business Shared MX
Safe
c33.cdn3x.com
No MX
Safe
c33j.tumblr.com
No MX
Safe
c34.cdn3x.com
No MX
Safe
c345n.com
No MX
Safe
c360.it
Business Shared MX
Safe
c360dn.com
No MX
Safe
c365download.com
No MX
Safe
c365online.co.uk
Business Shared MX
Safe
c365play.com
No MX
Safe
c36q.com
Business Domain
Safe
c38.online
Business Domain
Safe
c38net.com
No MX
Safe
c3af.com
No MX
Safe
c3cloudcontrol.com
No MX
Safe
c3connect.com
Business Shared MX
Safe
c3consult.com.br
Business Domain
Safe
c3ctc.org
Business Shared MX
Safe
c3d2.de
Business Domain
Safe
c3d2.social
Business Domain
Safe
c3dfx999.tumblr.com
No MX
Safe
c3direct.net
Business Shared MX
Safe
c3dt.com
Business Shared MX
Safe
c3e3r7qeuu.cf
No MX
Safe
c3e3r7qeuu.ga
No MX
Safe
c3e3r7qeuu.gq
No MX
Safe
c3e3r7qeuu.ml
No MX
Safe
c3e3r7qeuu.tk
No MX
Safe
c3email.win
Temporary / Disposable
c3exec.com
Business Shared MX
Safe
c3f0.com
No MX
Safe
c3fest.com
No MX
Safe
c3group.com.au
Business Domain
Safe
c3hive.com
Business Shared MX
Safe
c3iot.ai
Business Shared MX
Safe
c3iot.com
Business Shared MX
Safe
c3ipt.net
No MX
Safe
c3isit.com
Business Shared MX
Safe
c3j6wiioxo.com
No MX
Safe
c3l.lu
Business Domain
Safe
c3leasing.com
No MX
Safe
c3me6x.net
No MX
Safe
c3ms.com
Business Shared MX
Safe
c3n.top
No MX
Safe
c3ntinel.com
Business Shared MX
Safe
c3ntro.com
Business Shared MX
Safe
c3p.ca
Business Domain
Safe
c3pb.de
Business Domain
Safe
c3platform.systems
Business Domain
Safe
c3plp.net
No MX
Safe
c3pool.com
Business Domain
Safe
c3pool.org
No MX
Safe
c3porn.com
No MX
Safe
c3portal.net
No MX
Safe
c3rb.org
Business Domain
Safe
c3re.de
Business Domain
Safe
c3reservations.com
Business Domain
Safe
c3s.cc
Business Domain
Safe
c3s.top
No MX
Safe
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Explore domain risk signals used by the RiskMail API

The RiskMail domain directory is a public reference for email domains we have classified. Every entry is one of two states: Temporary / Disposable (a known throwaway-mail provider) or Safe (a free public email provider, a regular business domain with valid mail infrastructure, or a domain we have not yet seen disposable signals for).

If you operate a signup or login flow, this list is a starting point — disposable providers come and go faster than any static list can track. The RiskMail API reflects the live database in real time and returns a clean verdict: disposable | safe for each request.

See something missing or misclassified? Tell us and we'll re-evaluate the domain.