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Email infrastructure of penguinrandomhouse.com

According to Live Direct Marketing's daily DNS scan (July 13, 2026), penguinrandomhouse.com (Tranco rank #4,046) receives mail via Mimecast. Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Mimecast
ESPs in SPFnone detected
SaaS senders in SPFnone detected
DMARC policyp=quarantine
DMARC recordv=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r; rua=mailto:dmarc_agg@vali.email,mailto:4065f1db5e3e741@rep.dmarcanalyzer.com,mailto:bb918c48@inbox.ondmarc.com; ruf=mailto:4065f1db5e3e741@for.dmarcanalyzer.com,mailto:bb918c48@inbox.ondmarc.com; fo=1; ri=""3600
Tranco rank#4,046
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does penguinrandomhouse.com use?

penguinrandomhouse.com uses Mimecast for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

Does penguinrandomhouse.com enforce DMARC?

Partially — penguinrandomhouse.com publishes p=quarantine (as of July 13, 2026).

DNS records say who should deliver your mail — they don't say whether it lands in the inbox. Run a free inbox placement test for penguinrandomhouse.com at Gmail, Outlook, Yandex and Mail.ru.
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