Question and response
Question
dig dns.eslasticemail.com. NS
Answer
dns.eslasticemail.com. 5 CNAME eslasticemail.com.
Authority
eslasticemail.com. 5 SOA dns.eslasticemail.com. hostmaster.eslasticemail.com. 1779336636 43200 3600 604800 3601
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0