Billion Electric Company BiGuard 50G - Manual (Page 104)

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SOA:
Domain Name: The domain name of DNS Server 1. It is the name that
you register on DNS organization. You have to fill-out the Fully Qualified Domain
Name (FQDN) with an ending character (a dot) for this text
field.(ex:abc.com.).When you enter the following domain name, you can only input
different chars without an ending dot, its name is then added with domain name,
and it becomes FQDN.
Primary Name Server: The name assigned to the Primary Name Server.
(e.g:aaa, its FQDN is aaa.abc.com.)
Admin.
Mail Box: The administrator’s email account.(e.g:[email protected].)
Serial Number: It is the version number that keeps in the SOA record.
Refresh Interval: The interval refreshes are done. Denoted in seconds.
Retry Interval: The interval retries are done. Denoted in seconds.
Expiration Time: The length of time that can elapse before the zone is no
longer authoritative. Denoted in seconds.
Minimum TTL: The minimum time to live. Denoted in seconds.
NS Record
Name Server: The name of the Primary Name Server.