mailhost-prod.illiad.oclc.org has no NS records.
NS records for this zone are defined at illiad.oclc.org.
NS records for this zone are defined at illiad.oclc.org.
Question and response
Question
dig mailhost-prod.illiad.oclc.org. NS
Answer
The response has no answer records.
Authority
illiad.oclc.org. 1800 SOA cfns1.oclc.org. dns.cloudflare.com. 2397912526 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0