Question and response
Question
dig mx.musvc.com. TXT
Answer
mx.musvc.com. 7200 TXT "v=spf1 ip4:93.174.64.0/21 ~all"
Authority
musvc.com. 7200 NS ns-1349.awsdns-40.org.
musvc.com. 7200 NS ns-1706.awsdns-21.co.uk.
musvc.com. 7200 NS ns-47.awsdns-05.com.
musvc.com. 7200 NS ns-967.awsdns-56.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0