Question and response
Question
dig spf-us.ocm.aliyun.com. TXT
Answer
spf-us.ocm.aliyun.com. 600 TXT "v=spf1 ip4:8.221.24.0/23 ip4:47.88.45.0/24 ip4:47.90.197.0/24 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0