Domain Intelligence
Last Updated:
Care Email Verification
Safe to Send
Care.org is operated by CARE International. The domain runs 1 mail exchange and SMTP is responsive, with all three authentication standards in force.
Safe to Send
RISK
15
/100
Low
Verify Mailbox
Verify @care.org emails
Live SMTP handshake against care.org mail servers. No email is sent. 10 free per day, no signup.
Trusted by 400,000+ senders
4.9/5
From 8,500+ verified reviews
Compliance approved this in two weeks thanks to SOC 2 Type II and the GDPR documentation. Verification accuracy holds at the advertised 99%+ across our 80k physician contact list. Dana Mehta · IT Director, Healthcare
SOC 2 Type II
GDPR
CCPA
99.7% Accuracy
Disposable
No
Persistent addresses, not throwaway
SMTP Live
Yes
Mail server responds to SMTP handshake
MX Records
1
Mail exchangers
Mail Exchange (MX) Records for care.org Mail Exchange records. They tell other mail servers which hosts are responsible for receiving email at this domain, in priority order. Lower priority numbers are tried first.
#0
care-org.mail.protection.outlook.com 52.101.68.15
Reachable
SMTP Handshake
Simple Mail Transfer Protocol. We open a live SMTP connection to the primary MX and read the greeting banner. A response confirms the mail server is alive and accepting connections.
Responsive
BANNER220 AMS1EPF00000045.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 20 May 2026 05:10:06 +0000 [08DEB346DA2C903E]
Primary mail server accepted SMTP connection and returned a banner during the live audit.
care.org Email Authentication SPF · DKIM · DMARC
SPF
Sender Policy Framework. A DNS record listing which servers are allowed to send mail for this domain. Receivers reject or flag mail from unauthorized servers.
Pass
TXTv=spf1 ip4:216.37.18.6 ip4:167.89.64.9 ip4:167.89.65.0 ip4:68.233.77.18 ip4:208.86.168.7 ip4:135.84.79.54 ip4:204.8.10.114 ip4:40.92.0.0/15 ip4:167.89.65.53 ip4:167.89.75.33 ip4:202.84.36.226 ip4:135.84.68.123 ip4:206.152.14.54 ip4:128.17.0.0/20 ip4:13.111.0.0/16 ip4:40.107.0.0/16 ip4:52.100.0.0/15 ip4:52.102.0.0/16 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip4:166.78.68.221 ip4:167.89.46.159 ip4:167.89.65.100 include:_spf0000000.care.org -all
Authorized senders are defined and pass SPF policy.
DKIM
DomainKeys Identified Mail. The sending server cryptographically signs outbound mail with a private key, and receivers verify the signature using a public key in DNS.
Pass
SELECTORDetected via standard selectors
A DKIM signature was detected. Outbound mail from this domain can be cryptographically verified.
DMARC
Domain-based Message Authentication, Reporting & Conformance. Tells receivers what to do when SPF or DKIM checks fail: none, quarantine, or reject.
Quarantine
TXTv=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email; ruf=mailto:webadmin@care.org; adkim=r; aspf=r; sp=quarantine;
Receivers are instructed to quarantine (route to spam) any mail that fails SPF or DKIM.
care.org Domain Registration WHOIS · Nameservers · Registrar
RegistrarGoDaddy.com, LLC
IANA ID146
RegisteredDecember 30, 1994
Last UpdatedDecember 3, 2024
ExpiresDecember 29, 2033
Age31 years
TLD.org
Authoritative Nameservers (2)
- PDNS01.DOMAINCONTROL.COM
- PDNS02.DOMAINCONTROL.COM
Registrant
Hidden by registrar privacy service
Technical Contact
Hidden by registrar privacy service
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Common Questions About care.org
Is care.org a disposable or temporary email provider?
No. care.org is not a disposable email provider. It is classified as Corporate Email operated by CARE International and addresses on care.org are persistent rather than throwaway. Mail sent to a valid care.org mailbox reaches a real recipient.
How do I verify if a care.org email address is valid?
The fastest way to verify a care.org email address is to use our email checker. Enter any @care.org mailbox at the top of this page and our system performs a real-time SMTP handshake against care.org's mail servers, confirming whether the mailbox exists, is reachable, and is safe to send to. No email is ever delivered during the check.
Can I check if a care.org email exists without sending a message?
Yes. Our real-time email verification API connects directly to care.org's mail server, opens an SMTP session, and queries the mailbox using the RCPT TO command without ever transmitting an actual email. The server's response confirms whether the care.org mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for care.org?
care.org currently publishes 1 mail exchange (MX) record. The primary MX is care-org.mail.protection.outlook.com, which is the first server contacted when other mail systems try to deliver email to a care.org address. The full list with priorities and IP addresses is in the MX Records panel above. MX records tell sending servers where to route email for care.org.
Does care.org use SPF, DKIM, and DMARC email authentication?
care.org enforces all three email authentication standards: SPF, DKIM, and DMARC (policy: quarantine). This is the gold-standard configuration. It means receivers can verify that mail claiming to come from @care.org is genuine, and care.org's DMARC policy of 'quarantine' instructs receivers how to handle messages that fail those checks.
Why do emails to care.org bounce or get blocked?
Bounces from care.org usually fall into three buckets: the mailbox doesn't exist (5xx user unknown), the inbox is full, or your sending domain isn't authenticated to care.org's satisfaction. The fastest fix is to run each address through a free email verifier before you send, and to make sure your own SPF, DKIM, and DMARC are configured correctly so care.org's receivers trust you.
How can I verify a large list of care.org email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of care.org addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, care.org catch-all detection, role-account detection, and disposable-domain matching. Results typically come back within minutes and previously-failed addresses on your blacklist are reprocessed for free. For continuous high-volume needs, see our unlimited email verification API.
Is it safe to accept signups from care.org email addresses?
Yes, with normal hygiene. care.org is a legitimate email service and signups from @care.org behave like any other real user. Pipe each address through a real-time email verifier API at the moment of signup to catch typos and dead mailboxes, but there is no need to block care.org by default.
What email format does care.org use for usernames?
Most care.org mailboxes follow common patterns like first.last@care.org, firstinitiallast@care.org, or first@care.org, but the actual local-part rules depend on CARE International. The only reliable way to confirm whether a specific @care.org address exists is to run it through a free email verification tool. Guessing patterns will produce a high bounce rate and damage your sender reputation.
How is the care.org risk score calculated?
The 0-to-100 risk score for care.org combines disposable-domain classification, mail-server reachability, MX record presence and depth, SPF / DKIM / DMARC enforcement, DMARC policy strength, SMTP banner response, and domain age. Lower scores mean safer to send to. Disposable domains are pinned at the high end of the scale. The care.org score is recomputed on every audit so it always reflects the live state of the domain.