sr1smtpintgyed.cloudcenter.ec has no NS records.
NS records for this zone are defined at cloudcenter.ec.
NS records for this zone are defined at cloudcenter.ec.
Question and response
Question
dig sr1smtpintgyed.cloudcenter.ec. NS
Answer
The response has no answer records.
Authority
cloudcenter.ec. 900 SOA ns1.telconet.net. abuse.telconet.net. 106 10800 3600 2419200 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0