cfns1.oclc.org has no NS records.
NS records for this zone are defined at oclc.org.
NS records for this zone are defined at oclc.org.
Question and response
Question
dig cfns1.oclc.org. NS
Answer
The response has no answer records.
Authority
oclc.org. 1800 SOA cfns1.oclc.org. dns.cloudflare.com. 2398751916 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0