mail.linuxpl.com has no NS records.
NS records for this zone are defined at linuxpl.com.
NS records for this zone are defined at linuxpl.com.
Question and response
Question
dig mail.linuxpl.com. NS
Answer
The response has no answer records.
Authority
linuxpl.com. 300 SOA dns10.linuxpl.com. root.linuxpl.com. 2024121700 300 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0