mailhost.delong.sj.ca.us has no NS records.
NS records for this zone are defined at delong.sj.ca.us.
NS records for this zone are defined at delong.sj.ca.us.
Question and response
Question
dig mailhost.delong.sj.ca.us. NS
Answer
The response has no answer records.
Authority
delong.sj.ca.us. 86400 SOA ns.delong.sj.ca.us. postmaster.delong.sj.ca.us. 2025054025 43200 300 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0