Open port windows firewall


netsh advfirewall firewall add rule name="RULE_NAME" dir=in action=allow protocol=PROTOCOL localport=PORT

ex:
netsh advfirewall firewall add rule name="ZABBIX" dir=in action=allow protocol=TCP localport=10050

View expiration date of DNSSEC signature

  dig SOA yourdomain.com @nameserver +dnssec  

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