← Look up another domain · Email Stats home
According to Live Direct Marketing's daily DNS scan (July 13, 2026), f5.com (Tranco rank #124) receives mail via Cisco IronPort and sends through Salesforce, Marketo (Adobe). Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Cisco IronPort |
|---|---|
| ESPs in SPF | Salesforce, Marketo (Adobe) |
| SaaS senders in SPF | none detected |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:dmarc_agg@vali.email; ruf=mailto:dmarc_report@f5.com |
| Tranco rank | #124 |
| Snapshot | 2026-07-13 (updated daily) |
f5.com uses Cisco IronPort for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
f5.com authorises Salesforce, Marketo (Adobe) in its SPF record as of July 13, 2026.
Yes — f5.com publishes p=reject, the strictest DMARC policy (as of July 13, 2026).