Email Authentication

zhihu.com

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 include:spf.mail.qq.com -all

DKIM

pass

Cryptographic signature on outbound mail (selector: google).

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCNJ5EoOOUEgjEz91pw0U+xhwMiTpX5ngwvRPnJ7L6wfFeKH1RMiFeOb5ZOPLWKSGY5IRKtjjalATeHl8jWlVWe8O8qHHpl2yFfOG+Y8xq1K99LQyQQjqgZHzuSSH300DCHZvv+arAI3OYUhY8Z2da59ViMOblGJfT+oCz90WYVJQIDAQAB

DMARC

pass

Tells receivers what to do with mail that fails SPF/DKIM. Policy: quarantine.

v=DMARC1; p=quarantine; rua=mailto:mailauth-reports@qq.com

Mail Servers (MX)

5 mxbiz1.qq.com

10 mxbiz2.qq.com

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