dns1.registrar-servers.com
Namecheap
dns2.registrar-servers.com
Namecheap
Question and response
Question
dig sci.us. NS
Answer
sci.us. 1800 NS dns1.registrar-servers.com.
sci.us. 1800 NS dns2.registrar-servers.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0