splunkdev.phoenixnap.com has no NS records.
NS records for this zone are defined at phoenixnap.com.
NS records for this zone are defined at phoenixnap.com.
Question and response
Question
dig splunkdev.phoenixnap.com. NS
Answer
The response has no answer records.
Authority
phoenixnap.com. 1800 SOA aleena.ns.cloudflare.com. dns.cloudflare.com. 2399026476 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0