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Email infrastructure of csdn.net

According to Live Direct Marketing's daily DNS scan (July 13, 2026), csdn.net (Tranco rank #2,822) receives mail via QQ Mail (Tencent). Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)	QQ Mail (Tencent)
ESPs in SPF	none detected
SaaS senders in SPF	none detected
DMARC policy	p=quarantine
DMARC record	`v=DMARC1; p=quarantine; rua=mailto:mailauth-reports@qq.com`
Tranco rank	#2,822
Snapshot	2026-07-13 (updated daily)

Frequently asked questions

What email provider does csdn.net use?

csdn.net uses QQ Mail (Tencent) 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 csdn.net enforce DMARC?

Partially — csdn.net publishes p=quarantine (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 csdn.net at Gmail, Outlook, Yandex and Mail.ru.

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