Question and response
Question
dig _spfblockb.navercorp.com. APL
Answer
The response has no answer records.
Authority
navercorp.com. 180 SOA ns1.naver.com. webmaster.navercorp.com. 2026022606 21600 1800 1209600 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0