srv11.enubtrm.com has no NS records.
NS records for this zone are defined at enubtrm.com.
NS records for this zone are defined at enubtrm.com.
Question and response
Question
dig srv11.enubtrm.com. NS
Answer
The response has no answer records.
Authority
enubtrm.com. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1770820566 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0