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Email infrastructure of runsignup.com

According to Live Direct Marketing's daily DNS scan (July 13, 2026), runsignup.com (Tranco rank #11,377) receives mail via Google Workspace and sends through Salesforce, SendGrid (Twilio), Zoho ZeptoMail. Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Google Workspace
ESPs in SPFSalesforce, SendGrid (Twilio), Zoho ZeptoMail, Amazon SES
SaaS senders in SPFnone detected
DMARC policyp=quarantine
DMARC recordv=DMARC1; p=quarantine; sp=quarantine; pct=100; rua=mailto:dmarc_agg@vali.email,mailto:dmarc@runsignup.com;
Tranco rank#11,377
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does runsignup.com use?

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

What ESP does runsignup.com use?

runsignup.com authorises Salesforce, SendGrid (Twilio), Zoho ZeptoMail, Amazon SES in its SPF record as of July 13, 2026.

Does runsignup.com enforce DMARC?

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

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