Question and response
Question
dig _spf.corisvc.info. TXT
Answer
_spf.corisvc.info. 3600 TXT "v=spf1 ip4:185.196.164.230 ip4:185.196.164.231 ip4:185.196.164.207 -all"
Authority
corisvc.info. 3600 NS ns64.domaincontrol.com.
corisvc.info. 3600 NS ns63.domaincontrol.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0