c-73-8-243-79.hsd1.il.comcast.net has no AAAA records.
Question and response
Question
dig c-73-8-243-79.hsd1.il.comcast.net. AAAA
Answer
The response has no answer records.
Authority
hsd1.il.comcast.net. 900 SOA dns101.comcast.net. dnsadmin.comcast.net. 20507861 7200 3600 604800 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0