Question and response
Question
dig mail-spf.ferret-one.com. TXT
Answer
mail-spf.ferret-one.com. 300 TXT "v=spf1 ip4:202.234.6.233 ip4:202.234.6.241 ~all"
Authority
ferret-one.com. 172800 NS ns-1129.awsdns-13.org.
ferret-one.com. 172800 NS ns-1805.awsdns-33.co.uk.
ferret-one.com. 172800 NS ns-403.awsdns-50.com.
ferret-one.com. 172800 NS ns-858.awsdns-43.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0