Question and response
Question
dig _phishspf.knowbe4.com. TXT
Answer
_phishspf.knowbe4.com. 60 TXT "v=spf1 ip4:23.21.109.212 ip4:23.21.109.197 ip4:52.49.201.246 ip4:52.49.235.189 ip4:54.172.84.90 ip4:147.160.167.0/24 -all"
Authority
knowbe4.com. 60 NS ns-1036.awsdns-01.org.
knowbe4.com. 60 NS ns-1882.awsdns-43.co.uk.
knowbe4.com. 60 NS ns-38.awsdns-04.com.
knowbe4.com. 60 NS ns-853.awsdns-42.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0