blog.hcpro.com has no NS records.
NS records for this zone are defined at hcpro.com.
NS records for this zone are defined at hcpro.com.
Question and response
Question
dig blog.hcpro.com. NS
Answer
The response has no answer records.
Authority
hcpro.com. 600 SOA ns01.domaincontrol.com. dns.jomax.net. 2026012802 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0