Question and response
Question
dig clients.mysmtp.com. TXT
Answer
clients.mysmtp.com. 3600 TXT "v=spf1 include:_spf-pack.mysmtp.com include:stspg-customer.com -all"
Authority
mysmtp.com. 3600 NS pdns02.domaincontrol.com.
mysmtp.com. 3600 NS pdns01.domaincontrol.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0