pooladsl-b-7-65.ipcom.comunitel.net has no CNAME records.
Question and response
Question
dig pooladsl-b-7-65.ipcom.comunitel.net. NS
Answer
The response has no answer records.
Authority
ipcom.comunitel.net. 489 SOA ns1.comunitel.net. hostmaster.comunitel.net. 2025040801 86400 7200 2592000 172800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0