pipelinespf.ops.atmailcloud.com has no NS records.
NS records for this zone are defined at ops.atmailcloud.com.
NS records for this zone are defined at ops.atmailcloud.com.
Question and response
Question
dig pipelinespf.ops.atmailcloud.com. NS
Answer
The response has no answer records.
Authority
ops.atmailcloud.com. 900 SOA ns-356.awsdns-44.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0