mhostcl01ap01pwam.prod.oclc.org has no NS records.
NS records for this zone are defined at prod.oclc.org.
NS records for this zone are defined at prod.oclc.org.
Question and response
Question
dig mhostcl01ap01pwam.prod.oclc.org. NS
Answer
The response has no answer records.
Authority
prod.oclc.org. 1800 SOA cfns1.oclc.org. dns.cloudflare.com. 2399576504 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0