Question and response
Question
dig ns1.thgserver.com. NS
Answer
ns1.thgserver.com. 5 CNAME thgserver.com.
thgserver.com. 5 NS ns2.thgserver.com.
thgserver.com. 5 NS ns1.thgserver.com.
Authority
The response has no authority records.
Additional
ns1.thgserver.com. 5 A 198.23.167.18
ns2.thgserver.com. 5 A 198.23.167.21
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0