Question and response
Question
dig spf.mail.163.com. TXT
Answer
spf.mail.163.com. 60 TXT "v=spf1 include:spf-a.mail.163.com include:spf-b.mail.163.com include:spf-c.mail.163.com include:spf-d.mail.163.com include:spf-e.mail.163.com -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0