Question and response
Question
dig spf.hk.aliyun.com. TXT
Answer
spf.hk.aliyun.com. 300 TXT "v=spf1 ip4:47.242.98.0/23 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0