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According to Live Direct Marketing's daily DNS scan (July 13, 2026), lung.org (Tranco rank #11,998) receives mail via Microsoft 365 and sends through Constant Contact, Salesforce, Blackbaud. Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Microsoft 365 |
|---|---|
| ESPs in SPF | Constant Contact, Salesforce, Blackbaud, Amazon SES |
| SaaS senders in SPF | none detected |
| DMARC policy | p=quarantine |
| DMARC record | v=DMARC1;p=quarantine;rua=mailto:22e081fc04@rua.easydmarc.us;ruf=mailto:22e081fc04@ruf.easydmarc.us;fo=1; |
| Tranco rank | #11,998 |
| Snapshot | 2026-07-13 (updated daily) |
lung.org uses Microsoft 365 for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
lung.org authorises Constant Contact, Salesforce, Blackbaud, Amazon SES in its SPF record as of July 13, 2026.
Partially — lung.org publishes p=quarantine (as of July 13, 2026).