mx.postal.biznetgio.pt has no NS records.
NS records for this zone are defined at biznetgio.pt.
NS records for this zone are defined at biznetgio.pt.
Question and response
Question
dig mx.postal.biznetgio.pt. NS
Answer
The response has no answer records.
Authority
biznetgio.pt. 86400 SOA ns1.biznetgio.pt. hostmaster.ns1.biznetgio.pt. 2025072801 3600 1800 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0