_c4736c13956b0c275bb0e9bc28cf79d1.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 _be3387d4adb0bf408b4334793d1b9e4f.wggjkglgrm.acm-validations.aws. NS
Answer
The response has no answer records.
Authority
wggjkglgrm.acm-validations.aws. 900 SOA ns-1664.awsdns-16.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0