c-73-174-160-157.hsd1.pa.comcast.net has no AAAA records.
Question and response
Question
dig c-73-174-160-157.hsd1.pa.comcast.net. AAAA
Answer
The response has no answer records.
Authority
hsd1.pa.comcast.net. 900 SOA dns101.comcast.net. dnsadmin.comcast.net. 24206077 7200 3600 604800 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0