smtp.hosting.gob.do has no NS records.
NS records for this zone are defined at hosting.gob.do.
NS records for this zone are defined at hosting.gob.do.
Question and response
Question
dig smtp.hosting.gob.do. NS
Answer
The response has no answer records.
Authority
hosting.gob.do. 1800 SOA kiki.ns.cloudflare.com. dns.cloudflare.com. 2395765245 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0