aliaswireinc04.a.subnet.rcn.com has no CNAME records.
Question and response
Question
dig aliaswireinc04.a.subnet.rcn.com. NS
Answer
The response has no answer records.
Authority
a.subnet.rcn.com. 5268 SOA master.dns.rcn.net. hostmaster.rcn.net. 2026012701 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0