Question and response
Question
dig spf-ca.letsignit.com. TXT
Answer
spf-ca.letsignit.com. 360 TXT "v=spf1 ip4:40.80.240.101/32 ip4:52.155.24.145 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0