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According to Live Direct Marketing's daily DNS scan (July 12, 2026), iop.org (Tranco rank #2,932) receives mail via Mimecast and sends through Adestra (MessageFocus), SendGrid (Twilio), Mimecast. Its DMARC policy is p=none (monitor only) — like the majority of DMARC publishers (53% don't enforce).
| Mailbox provider (MX) | Mimecast |
|---|---|
| ESPs in SPF | Adestra (MessageFocus), SendGrid (Twilio), Mimecast |
| SaaS senders in SPF | none detected |
| DMARC policy | p=none |
| DMARC record | v=DMARC1;p=none;sp=none;pct=100;rua=mailto:security.alerts@iop.org;ruf=mailto:security.alerts@iop.org;ri=86400;aspf=r;fo=1; |
| Tranco rank | #2,932 |
| Snapshot | 2026-07-12 (updated daily) |
iop.org uses Mimecast for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
iop.org authorises Adestra (MessageFocus), SendGrid (Twilio), Mimecast in its SPF record as of July 12, 2026.
No — iop.org publishes p=none, which only monitors and does not block spoofing (as of July 12, 2026).