Question and response
Question
dig _spf.coredial.com. TXT
Answer
_spf.coredial.com. 300 TXT "v=spf1 ip4:64.94.196.0/23 ip4:198.58.40.0/21 ip4:204.236.248.254 ip4:3.219.134.225 ip4:216.187.65.178 ip4:216.187.65.179 ip4:168.75.50.130 ip4:168.75.50.131 ip4:206.166.216.0/22 include:mailgun.org ~all"
Authority
coredial.com. 172800 NS ns-1471.awsdns-55.org.
coredial.com. 172800 NS ns-1782.awsdns-30.co.uk.
coredial.com. 172800 NS ns-415.awsdns-51.com.
coredial.com. 172800 NS ns-959.awsdns-55.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0