customer-190-63-224-21.claro.com.ec has no NS records.
NS records for this zone are defined at claro.com.ec.
NS records for this zone are defined at claro.com.ec.
Question and response
Question
dig customer-190-63-224-21.claro.com.ec. NS
Answer
The response has no answer records.
Authority
claro.com.ec. 900 SOA dns1.porta.net. hostmaster.claro.com.ec. 888 28800 18000 604800 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0