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According to Live Direct Marketing's daily DNS scan (July 13, 2026), cocolog-nifty.com (Tranco rank #12,081) receives mail via Amazon WorkMail and sends through SendGrid (Twilio). Its DMARC policy is p=none (monitor only) — like the majority of DMARC publishers (53% don't enforce).
| Mailbox provider (MX) | Amazon WorkMail |
|---|---|
| ESPs in SPF | SendGrid (Twilio) |
| SaaS senders in SPF | Oracle Cloud Email |
| DMARC policy | p=none |
| DMARC record | v=DMARC1; p=none; |
| Tranco rank | #12,081 |
| Snapshot | 2026-07-13 (updated daily) |
cocolog-nifty.com uses Amazon WorkMail for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
cocolog-nifty.com authorises SendGrid (Twilio) in its SPF record as of July 13, 2026.
No — cocolog-nifty.com publishes p=none, which only monitors and does not block spoofing (as of July 13, 2026).