stx-fre-ms1.vitelcom.net has no NS records.
NS records for this zone are defined at vitelcom.net.
NS records for this zone are defined at vitelcom.net.
Question and response
Question
dig stx-fre-ms1.vitelcom.net. NS
Answer
The response has no answer records.
Authority
vitelcom.net. 150 SOA Icc.vitelcom.net. root.vitelcom.net. 946415640 10800 3600 604800 150
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0