prt.01.selligent.stepstone.com has no NS records.
NS records for this zone are defined at selligent.stepstone.com.
NS records for this zone are defined at selligent.stepstone.com.
Question and response
Question
dig prt.01.selligent.stepstone.com. NS
Answer
The response has no answer records.
Authority
selligent.stepstone.com. 900 SOA ns-187.awsdns-23.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0