Question and response
Question
dig _spfblockb.nhnent.com. TXT
Answer
_spfblockb.nhnent.com. 300 TXT "v=spf1 ip4:103.243.203.20 ip4:103.243.203.21 ip4:103.243.203.22 ip4:103.243.203.23 ip4:103.243.203.24 ip4:103.243.203.25 ip4:103.243.203.26 ip4:103.243.203.27 ip4:103.243.203.28 ip4:103.243.203.29 ip4:103.243.203.30 ip4:103.243.203.31 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0