Question and response
Question
dig _spfblockb.navercorp.com. TXT
Answer
_spfblockb.navercorp.com. 300 TXT "v=spf1 ip4:114.111.32.0/24 ip4:114.111.40.0/24 ip4:210.89.163.112 ip4:110.93.144.0/20 ip4:61.247.211.0/24 ip4:202.179.181.0/24 ip4:61.247.208.0/26 ip4:61.247.196.0/23 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0