blue-mud-0dddaca03.3.azurestaticapps.net has no NS records.
NS records for this zone are defined at azurestaticapps.net.
NS records for this zone are defined at azurestaticapps.net.
Question and response
Question
dig waws-prod-am2-19833c46.sip.p.azurewebsites.windows.net. NS
Answer
The response has no answer records.
Authority
azurewebsites.windows.net. 60 SOA ns1-05.azure-dns.com. msnhst.microsoft.com. 2012084163 900 300 604800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0