Question and response
Question
dig nnetworks.jp. TXT
Answer
nnetworks.jp. 86400 TXT "v=spf1 ip4:210.188.206.148/30 ip4:219.94.180.173 ip4:110.232.195.138 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0