Question and response
Question
dig ns1.docfro.com. AAAA
Answer
ns1.docfro.com. 5 CNAME docfro.com.
Authority
docfro.com. 3470 SOA ns-1492.awsdns-58.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0