Question and response
Question
dig mk11.thinkface.com. NS
Answer
mk11.thinkface.com. 5 CNAME smtp2.dnsexit.com.
Authority
dnsexit.com. 1043 SOA ns1.dnsexit.com. admin.netdorm.com. 2000060701 86000 180000 1814400 1200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0