Question and response
Question
dig _spf.cention.se. TXT
Answer
_spf.cention.se. 600 TXT "v=spf1 ip4:52.18.230.96/32 ip4:52.51.173.47/32 ip4:34.241.101.28/32 ip4:18.139.146.183 -all"
Authority
cention.se. 172800 NS ns-1292.awsdns-33.org.
cention.se. 172800 NS ns-1890.awsdns-44.co.uk.
cention.se. 172800 NS ns-403.awsdns-50.com.
cention.se. 172800 NS ns-748.awsdns-29.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0