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Email infrastructure of tailwindcss.com

According to Live Direct Marketing's daily DNS scan (July 13, 2026), tailwindcss.com (Tranco rank #5,427) receives mail via FastMail and sends through Help Scout. Its DMARC policy is p=none (monitor only) — like the majority of DMARC publishers (53% don't enforce).

Mailbox provider (MX)FastMail
ESPs in SPFHelp Scout
SaaS senders in SPFnone detected
DMARC policyp=none
DMARC recordv=DMARC1; p=none; sp=none; rua=mailto:51c9dcb29189459b9b6a2c6e5f118521@dmarc-reports.cloudflare.net; pct=100
Tranco rank#5,427
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does tailwindcss.com use?

tailwindcss.com uses FastMail 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 tailwindcss.com use?

tailwindcss.com authorises Help Scout in its SPF record as of July 13, 2026.

Does tailwindcss.com enforce DMARC?

No — tailwindcss.com publishes p=none, which only monitors and does not block spoofing (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 tailwindcss.com at Gmail, Outlook, Yandex and Mail.ru.
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