_e37728994ea8608f42b45d8b7f96e2e2.oi.com.br has no NS records.
NS records for this zone are defined at oi.com.br.
NS records for this zone are defined at oi.com.br.
Question and response
Question
dig _6688ddb13f65ab80e1ed7c68d1c8b8ee.qxcwttcyyb.acm-validations.aws. NS
Answer
The response has no answer records.
Authority
qxcwttcyyb.acm-validations.aws. 900 SOA ns-1710.awsdns-21.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0