stat.mcfr.uz has no NS records.
NS records for this zone are defined at mcfr.uz.
NS records for this zone are defined at mcfr.uz.
Question and response
Question
dig pr.sendpulse.com. NS
Answer
The response has no answer records.
Authority
sendpulse.com. 900 SOA ns-181.awsdns-22.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0