ns.hfc.comcastbusiness.net has no NS records.
NS records for this zone are defined at hfc.comcastbusiness.net.
NS records for this zone are defined at hfc.comcastbusiness.net.
Question and response
Question
dig ns.hfc.comcastbusiness.net. NS
Answer
The response has no answer records.
Authority
hfc.comcastbusiness.net. 900 SOA ns.hfc.comcastbusiness.net. dnsmaster.comcastonline.com. 2022956822 7200 300 604800 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0