Question and response
Question
dig spf.flockmail.com. TXT
Answer
spf.flockmail.com. 300 TXT "v=spf1 include:spf.titan.email ~all"
Authority
flockmail.com. 172800 NS ns-1400.awsdns-47.org.
flockmail.com. 172800 NS ns-1609.awsdns-09.co.uk.
flockmail.com. 172800 NS ns-299.awsdns-37.com.
flockmail.com. 172800 NS ns-973.awsdns-57.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0