Question and response
Question
dig spf2.ocm.aliyun.com. TXT
Answer
spf2.ocm.aliyun.com. 600 TXT "v=spf1 include:spf3.ocm.aliyun.com -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0