Is khanacademy.org a valid email domain?
khanacademy.org has working mail routing: 5 MX records pointing to Google (Gmail or Google Workspace), led by aspmx.l.google.com.
It is not a free provider and is not on our disposable list, so addresses here usually belong to a company, school or other organisation.
SPF is published and ends with -all. DMARC is set to reject.
Check an email address at khanacademy.org
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MX records (Google (Gmail or Google Workspace))
| Priority | Mail server | Resolves to |
|---|---|---|
| 1 | aspmx.l.google.com | 142.251.127.26, 2a00:1450:4001:c21::1a |
| 5 | alt1.aspmx.l.google.com | 142.250.147.26, 2a00:1450:4025:c01::1b |
| 5 | alt2.aspmx.l.google.com | 172.253.152.27, 2a00:1450:4010:c22::1a |
| 10 | aspmx3.googlemail.com | 172.253.152.26, 2a00:1450:4010:c22::1a |
| 10 | aspmx2.googlemail.com | 142.250.147.26, 2a00:1450:4025:c01::1a |
SPF
Record published
v=spf1 include:_spf.google.com include:sendgrid.net include:aspmx.sailthru.com include:mail.zendesk.com exists:%{i}._spf.mta.salesforce.com include:mg-spf.greenhouse.io -allDMARC
Policy: reject
v=DMARC1; p=reject; rua=mailto:dmarc-reports@khanacademy.org; ruf=mailto:dmarc-reports@khanacademy.org
Disposable?
No, not on our disposable list.
Free provider?
No, not a known free provider.
What this means for your email list
What this means for addresses at this domain
khanacademy.org looks like an organisation's own domain. Those are usually good leads, and also where bounces come from: people change jobs and mailboxes get closed. Checking each address, including whether the server accepts any recipient, avoids damaging your sender reputation.
Sender authentication
khanacademy.org has a strict DMARC policy (reject): mail that fails authentication is refused, which protects its brand from spoofing and means anyone sending as khanacademy.org must have SPF and DKIM set up correctly.
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Sign up to get a report summary →Frequently asked questions
- Is khanacademy.org a valid email domain?
- Yes. khanacademy.org publishes 5 MX records and can receive email. Whether a particular mailbox exists is a separate question that only a mailbox check can answer.
- Is khanacademy.org a disposable email domain?
- No. khanacademy.org is not on our disposable list. The list is updated regularly, and new throwaway domains appear all the time.
- What are the MX records for khanacademy.org?
- aspmx.l.google.com (priority 1); alt1.aspmx.l.google.com (priority 5); alt2.aspmx.l.google.com (priority 5); aspmx3.googlemail.com (priority 10); aspmx2.googlemail.com (priority 10).
- Does khanacademy.org have SPF and DMARC?
- SPF: yes, ending -all. DMARC: yes, policy reject.