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According to Live Direct Marketing's daily DNS scan (July 13, 2026), iso.org (Tranco rank #782) receives mail via Microsoft 365 and sends through Campaign Monitor, Salesforce, Help Scout. 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 | Campaign Monitor, Salesforce, Help Scout |
| SaaS senders in SPF | Statuspage (Atlassian) |
| DMARC policy | p=quarantine |
| DMARC record | v=DMARC1; p=quarantine; rua=mailto:postmaster@iso.org; |
| Tranco rank | #782 |
| Snapshot | 2026-07-13 (updated daily) |
iso.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.
iso.org authorises Campaign Monitor, Salesforce, Help Scout in its SPF record as of July 13, 2026.
Partially — iso.org publishes p=quarantine (as of July 13, 2026).