Question and response
Question
dig mail.byteheavy.com. NS
Answer
mail.byteheavy.com. 5 CNAME smtp.byteheavy.com.
Authority
byteheavy.com. 4816 SOA ns1.he.net. hostmaster.he.net. 2025102401 10800 1800 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0