c-50-149-57-2.hsd1.pa.comcast.net has no NS records.
NS records for this zone are defined at hsd1.pa.comcast.net.
NS records for this zone are defined at hsd1.pa.comcast.net.
Question and response
Question
dig c-50-149-57-2.hsd1.pa.comcast.net. NS
Answer
The response has no answer records.
Authority
hsd1.pa.comcast.net. 900 SOA dns101.comcast.net. dnsadmin.comcast.net. 24356861 7200 3600 604800 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0