heracles.comcel.com.co has no NS records.
NS records for this zone are defined at comcel.com.co.
NS records for this zone are defined at comcel.com.co.
Question and response
Question
dig heracles.comcel.com.co. NS
Answer
The response has no answer records.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0