Question and response
Question
dig spf.cernet.edu.cn. TXT
Answer
spf.cernet.edu.cn. 300 TXT "v=spf1 ip4:101.6.4.0/24 ip4:166.111.204.0/24 ip4:166.111.2.24/29 ip4:59.66.3.24/29 ip4:101.5.3.24/29 ip4:101.6.3.24/29 ip4:183.172.3.24/29 ip4:183.173.3.24/29 include:spf.nic.edu.cn include:spf.icoremail.net -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0