Question and response
Question
dig spf.nic.edu.cn. TXT
Answer
spf.nic.edu.cn. 86400 TXT "v=spf1 ip4:202.112.0.0/26 ip4:202.38.109.0/24 ip4:101.4.62.0/24 ip6:2001:250:c006::/48 ip4:1.51.2.0/26 ip4:1.51.2.209 ip6:2001:250:2::/64 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0