Question and response
Question
dig _spfblocka.cdnetworks.co.kr. TXT
Answer
_spfblocka.cdnetworks.co.kr. 3600 TXT "v=spf1 ip4:14.0.35.204 ip4:14.0.33.35 ip4:211.233.40.78 ip4:61.110.243.145 ip4:66.114.61.62 ip4:61.110.246.97 include:mail.zendesk.com ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0