Question and response
Question
dig _b9e8f1af8e66c489fd25328fd4c2849b.ivcert.net. NS
Answer
_b9e8f1af8e66c489fd25328fd4c2849b.ivcert.net. 5 CNAME _7375bb3c285399c768239f646109a4d1.djqtsrsxkq.acm-validations.aws.
Authority
djqtsrsxkq.acm-validations.aws. 900 SOA ns-636.awsdns-15.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0