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Email infrastructure of sslip.io

According to Live Direct Marketing's daily DNS scan (July 13, 2026), sslip.io (Tranco rank #2,729) receives mail via ProtonMail. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)	ProtonMail
ESPs in SPF	none detected
SaaS senders in SPF	none detected
DMARC policy	p=reject
DMARC record	`v=DMARC1; p=reject`
Tranco rank	#2,729
Snapshot	2026-07-13 (updated daily)

Frequently asked questions

What email provider does sslip.io use?

sslip.io uses ProtonMail 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 sslip.io enforce DMARC?

Yes — sslip.io publishes p=reject, the strictest DMARC policy (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 sslip.io at Gmail, Outlook, Yandex and Mail.ru.

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