cas580-lo-1.exch580.serverdata.net has no NS records.
NS records for this zone are defined at exch580.serverdata.net.
NS records for this zone are defined at exch580.serverdata.net.
Question and response
Question
dig cas580-lo-1.exch580.serverdata.net. NS
Answer
The response has no answer records.
Authority
exch580.serverdata.net. 3600 SOA ns2.serverdata.net. hostmaster.serverdata.net. 2025121915 3600 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0