Question and response
Question
dig spf2.chargify.com. TXT
Answer
spf2.chargify.com. 300 TXT "v=spf1 ip4:3.93.157.0/24 ip4:3.210.190.0/24 ip4:18.208.124.128/25 ip4:54.174.52.0/24 ip4:54.174.53.128/30 ip4:54.174.57.0/24 ~all"
Authority
chargify.com. 172800 NS ns-11.awsdns-01.com.
chargify.com. 172800 NS ns-1231.awsdns-25.org.
chargify.com. 172800 NS ns-1841.awsdns-38.co.uk.
chargify.com. 172800 NS ns-974.awsdns-57.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0