dns2.mobily.com.sa has no NS records.
NS records for this zone are defined at mobily.com.sa.
NS records for this zone are defined at mobily.com.sa.
Question and response
Question
dig dns2.mobily.com.sa. NS
Answer
The response has no answer records.
Authority
mobily.com.sa. 900 SOA gm-mlg-01.prod.mobily.lan. hostmaster.mobily.com.sa. 44621 10800 1080 2419200 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0