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According to Live Direct Marketing's daily DNS scan (July 12, 2026), businesswire.com (Tranco rank #1,245) receives mail via Microsoft 365 and sends through Q4 Inc, Amazon SES, HubSpot. 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 | Q4 Inc, Amazon SES, HubSpot, Salesforce |
| SaaS senders in SPF | Esker |
| DMARC policy | p=quarantine |
| DMARC record | v=DMARC1; p=quarantine; rua=mailto:mail.admin@businesswire.com; ruf=mailto:mail.admin@businesswire.com; sp=quarantine; ri=86400 |
| Tranco rank | #1,245 |
| Snapshot | 2026-07-12 (updated daily) |
businesswire.com 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.
businesswire.com authorises Q4 Inc, Amazon SES, HubSpot, Salesforce in its SPF record as of July 12, 2026.
Partially — businesswire.com publishes p=quarantine (as of July 12, 2026).