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Email infrastructure of t13.io

According to Live Direct Marketing's daily DNS scan (July 12, 2026), t13.io (Tranco rank #6,530) receives mail via ProtonMail. It publishes no DMARC record — spoofed mail from this domain cannot be rejected by receivers.

Mailbox provider (MX)	ProtonMail
ESPs in SPF	none detected
SaaS senders in SPF	none detected
DMARC policy	no record
Tranco rank	#6,530
Snapshot	2026-07-12 (updated daily)

Frequently asked questions

What email provider does t13.io use?

t13.io uses ProtonMail for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

Does t13.io enforce DMARC?

No — t13.io publishes no DMARC record at all (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 t13.io at Gmail, Outlook, Yandex and Mail.ru.

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