Question and response
Question
dig _spf.c5mail.net. TXT
Answer
_spf.c5mail.net. 3600 TXT "v=spf1 ip4:46.21.102.216/30 ip6:2a02:750:9::2dc/126 ip4:46.21.102.251 ip6:2a02:750:9::10c ?all"
Authority
c5mail.net. 172800 NS ns-1216.awsdns-24.org.
c5mail.net. 172800 NS ns-1825.awsdns-36.co.uk.
c5mail.net. 172800 NS ns-326.awsdns-40.com.
c5mail.net. 172800 NS ns-836.awsdns-40.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0