Question and response
Question
dig aspmx.sailthru.com. TXT
Answer
aspmx.sailthru.com. 300 TXT "v=spf1 ip4:192.64.236.0/24 ip4:192.64.237.0/24 ip4:192.64.238.0/24 ip4:163.47.180.0/23 ip4:18.209.115.141 ip4:54.163.108.150 ip4:18.233.247.34 ip4:3.95.68.45 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0