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Email infrastructure of splunk.com

According to Live Direct Marketing's daily DNS scan (July 12, 2026), splunk.com (Tranco rank #4,645) receives mail via Cisco IronPort and sends through 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 SPFMarketo (Adobe)
SaaS senders in SPFStatuspage (Atlassian)
DMARC policyp=reject
DMARC recordv=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email
Tranco rank#4,645
Snapshot2026-07-12 (updated daily)

Frequently asked questions

What email provider does splunk.com use?

splunk.com uses Cisco IronPort for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

What ESP does splunk.com use?

splunk.com authorises Marketo (Adobe) in its SPF record as of July 12, 2026.

Does splunk.com enforce DMARC?

Yes — splunk.com publishes p=reject, the strictest DMARC policy (as of July 12, 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 splunk.com at Gmail, Outlook, Yandex and Mail.ru.
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