sip1.ix1.telco.infernocomms.net has no NS records.
NS records for this zone are defined at infernocomms.net.
NS records for this zone are defined at infernocomms.net.
Question and response
Question
dig sip1.ix1.telco.infernocomms.net. NS
Answer
The response has no answer records.
Authority
infernocomms.net. 1800 SOA woz.ns.cloudflare.com. dns.cloudflare.com. 2399661928 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0