ns6.maxxor.com has no NS records.
NS records for this zone are defined at maxxor.com.
NS records for this zone are defined at maxxor.com.
Question and response
Question
dig ns6.maxxor.com. NS
Answer
The response has no answer records.
Authority
maxxor.com. 300 SOA ns1-04.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0