Question and response
Question
dig mailerhost.net. TXT
Answer
mailerhost.net. 3600 TXT "v=spf1 ip6:fd96:1c8a:43ad::/48 -all"
Authority
mailerhost.net. 172800 NS ns-1275.awsdns-31.org.
mailerhost.net. 172800 NS ns-1976.awsdns-55.co.uk.
mailerhost.net. 172800 NS ns-288.awsdns-36.com.
mailerhost.net. 172800 NS ns-547.awsdns-04.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0