ns1.msp.gob.do has no CNAME records.
Question and response
Question
dig ns1.msp.gob.do. NS
Answer
The response has no answer records.
Authority
msp.gob.do. 3600 SOA hostmaster.msp.gob.do. 1. 0 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0