mail.sdn24x7.com has no NS records.
NS records for this zone are defined at sdn24x7.com.
NS records for this zone are defined at sdn24x7.com.
Question and response
Question
dig mail.sdn24x7.com. NS
Answer
The response has no answer records.
Authority
sdn24x7.com. 300 SOA ns1.sdncommunications.com. support.sdncommunications.com. 2025121009 43200 1800 1209600 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0