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According to Live Direct Marketing's daily DNS scan (July 12, 2026), zearn.org (Tranco rank #1,561) receives mail via Microsoft 365 and sends through Marketo (Adobe), Mailchimp, Mandrill. Its DMARC policy is p=none (monitor only) — like the majority of DMARC publishers (53% don't enforce).
| Mailbox provider (MX) | Microsoft 365 |
|---|---|
| ESPs in SPF | Marketo (Adobe), Mailchimp, Mandrill, Zendesk, Amazon SES |
| SaaS senders in SPF | Statuspage (Atlassian) |
| DMARC policy | p=none |
| DMARC record | v=DMARC1; p=none; rua=mailto:5358b84f8c8e.a@dmarcinput.com; ruf=mailto:5358b84f8c8e.f@dmarcinput.com; fo=1 |
| Tranco rank | #1,561 |
| Snapshot | 2026-07-12 (updated daily) |
zearn.org uses Microsoft 365 for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
zearn.org authorises Marketo (Adobe), Mailchimp, Mandrill, Zendesk, Amazon SES in its SPF record as of July 12, 2026.
No — zearn.org publishes p=none, which only monitors and does not block spoofing (as of July 12, 2026).