webmail.gshood.com has no NS records.
NS records for this zone are defined at gshood.com.
NS records for this zone are defined at gshood.com.
Question and response
Question
dig webmail.gshood.com. NS
Answer
The response has no answer records.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0