Question and response
Question
dig ns2.totestudi.com. NS
Answer
ns2.totestudi.com. 5 CNAME totestudi.com.
totestudi.com. 5 NS ns2.totestudi.com.
totestudi.com. 5 NS ns1.totestudi.com.
Authority
The response has no authority records.
Additional
ns1.totestudi.com. 5 A 216.108.229.28
ns2.totestudi.com. 5 A 216.108.229.91
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0