Question and response
Question
dig smtp2.blueweb.co.kr. TXT
Answer
smtp2.blueweb.co.kr. 600 TXT "v=spf1 ip4:222.239.223.233 ~all"
Authority
blueweb.co.kr. 600 NS ns.blueweb.co.kr.
blueweb.co.kr. 600 NS ns1.blueweb.co.kr.
Additional
ns.blueweb.co.kr. 600 A 210.205.6.3
ns1.blueweb.co.kr. 600 A 210.205.6.1
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0