pa01-mail.vitalink.us has no NS records.
NS records for this zone are defined at vitalink.us.
NS records for this zone are defined at vitalink.us.
Question and response
Question
dig pa01-mail.vitalink.us. NS
Answer
The response has no answer records.
Authority
vitalink.us. 43200 SOA ns1.qcol.net. sysadmin.qcol.net. 2026032600 1800 900 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0