Question and response
Question
dig mail-forwarder.io. TXT
Answer
mail-forwarder.io. 300 TXT "v=spf1 ip6:2a00:18e0:5::/56 ip4:5.22.145.157 ip4:5.22.145.172 a mx include:relay.mailchannels.net -all"
Authority
mail-forwarder.io. 172800 NS ns-1476.awsdns-56.org.
mail-forwarder.io. 172800 NS ns-1724.awsdns-23.co.uk.
mail-forwarder.io. 172800 NS ns-213.awsdns-26.com.
mail-forwarder.io. 172800 NS ns-590.awsdns-09.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0