Question and response
Question
dig _netblocks.m.feishu.cn. TXT
Answer
_netblocks.m.feishu.cn. 60 TXT "v=spf1 include:spf1.m.feishu.cn ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0