ntinstall.tailormadeservers.com has no NS records.
NS records for this zone are defined at tailormadeservers.com.
NS records for this zone are defined at tailormadeservers.com.
Question and response
Question
dig ntinstall.tailormadeservers.com. NS
Answer
The response has no answer records.
Authority
tailormadeservers.com. 86400 SOA ns.tailormadeservers.com. PostMaster.tailormadeservers.com. 2025120861 86400 7200 3600000 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0