ns2.ectek.net.do has no CNAME records.
Question and response
Question
dig ns2.ectek.net.do. NS
Answer
The response has no answer records.
Authority
ectek.net.do. 4359 SOA ns1.ectek.net.do. marcoechavarria1.gmail.com. 2026021500 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0