Question and response
Question
dig spf.ess.ca.barracudanetworks.com. TXT
Answer
spf.ess.ca.barracudanetworks.com. 900 TXT "v=spf1 ip4:15.222.16.128/25 -all"
Authority
ess.ca.barracudanetworks.com. 172800 NS ns-1377.awsdns-44.org.
ess.ca.barracudanetworks.com. 172800 NS ns-1952.awsdns-52.co.uk.
ess.ca.barracudanetworks.com. 172800 NS ns-528.awsdns-02.net.
ess.ca.barracudanetworks.com. 172800 NS ns-92.awsdns-11.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0