Host123.lionbridge.com has no NS records.
NS records for this zone are defined at lionbridge.com.
NS records for this zone are defined at lionbridge.com.
Question and response
Question
dig Host123.lionbridge.com. NS
Answer
The response has no answer records.
Authority
lionbridge.com. 7200 SOA ns2.lionbridge.com. dns-admin.lionbridge.com. 2014064134 43200 7200 1296000 7200
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0