l.static.claro.net.do has no NS records.
NS records for this zone are defined at net.do.
NS records for this zone are defined at net.do.
Question and response
Question
dig l.static.claro.net.do. NS
Answer
The response has no answer records.
Authority
claro.net.do. 5697 SOA ns1.claro.net.do. hostmaster.claro.net.do. 2017041377 21600 900 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0