Question and response
Question
dig b.hichina.mail.aliyun.com. TXT
Answer
b.hichina.mail.aliyun.com. 600 TXT "v=spf1 ip4:47.88.44.32/27 ip4:115.124.28.0/24 ip4:115.124.29.0/24 ip4:115.124.20.0/24 ip4:8.219.24.0/27 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0