Email Authentication

chinaz.com

SPF

pass

Declares which servers may send mail for this domain.

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

fail

Cryptographic signature on outbound mail (selector: default).

20210727113837048206hzu9dtkfw8ainbxmrgy9z1dmxgvmo22hhglnrmsxspb5

none

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

No record published.

5 mxbiz1.qq.com

10 mxbiz2.qq.com