mwdns02oc has no NS records.
NS records for this zone are defined at mwdns02oc..
NS records for this zone are defined at mwdns02oc..
Question and response
Question
dig mwdns02oc. NS
Answer
The response has no answer records.
Authority
. 86400 SOA a.root-servers.net. nstld.verisign-grs.com. 2026031201 1800 900 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0