mx.graniteglobal.biz has no NS records.
NS records for this zone are defined at graniteglobal.biz.
NS records for this zone are defined at graniteglobal.biz.
Question and response
Question
dig mx.graniteglobal.biz. NS
Answer
The response has no answer records.
Authority
graniteglobal.biz. 3600 SOA dns.graniteglobal.biz. hostmaster.graniteglobal.biz. 1266031968 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0