mx.cnetworks.lv has no NS records.
NS records for this zone are defined at cnetworks.lv.
NS records for this zone are defined at cnetworks.lv.
Question and response
Question
dig mx.cnetworks.lv. NS
Answer
The response has no answer records.
Authority
cnetworks.lv. 3600 SOA bind.cnetworks.lv. admin.cnetworks.lv. 131 10800 3600 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0