Question and response
Question
dig tupu360.cn. TXT
Answer
tupu360.cn. 600 TXT "v=spf1 include:spf.mail.tupu360.cn -all"
Authority
tupu360.cn. 86400 NS f1g1ns2.dnspod.net.
tupu360.cn. 86400 NS f1g1ns1.dnspod.net.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0