host10.sb.registrar-servers.com has no NS records.
NS records for this zone are defined at sb.registrar-servers.com.
NS records for this zone are defined at sb.registrar-servers.com.
Question and response
Question
dig host10.sb.registrar-servers.com. NS
Answer
The response has no answer records.
Authority
sb.registrar-servers.com. 3600 SOA edns1.registrar-servers.com. support.namecheap.com. 1757325359 3600 1801 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0