Question and response
Question
dig mta.gansend.com. TXT
Answer
mta.gansend.com. 86400 TXT "v=spf1 include:spf.gansend.com ~all"
Authority
gansend.com. 3600 NS ns2.mainloop.net.
gansend.com. 3600 NS ns1.mainloop.net.
gansend.com. 3600 NS ns3.mainloop.net.
gansend.com. 3600 NS ns4.mainloop.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0