Users Manual

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should be the WAN connection's name server IP address that is registered in the DNS registrar. If
this field is entered, a corresponding A record for the name server will be created automatically. If
it is left blank, the A record for the name server must be created manually.
● E-mail: Defines the e-mail address of the person responsible for this zone. Note: format should
be mailbox-name.domain.com, e.g., hostmaster.example.com.
● Refresh: Indicates the length of time (in seconds) when the slave will try to refresh the zone from
the master.
● Retry: Defines the duration (in seconds) between retries if the slave (secondary) fails to contact
the master and the refresh (above) has expired.
● Expire: Indicates the time (in seconds) when the zone data is no longer authoritative. This option
applies to slave DNS servers only.
● Min Time: Is the negative caching time which defines the time (in seconds) after an error record is
cached.
● TTL (Time-to-Live): Defines the duration (in seconds) that the record may be cached.
NSRecords 
The NS Records table shows the NS servers and TTL that correspond to the domain. The NS record of
the name server defined in the SOA record is automatically added here.
To add a new NS record, click the New NS Records button in the NS Records box. Then the table will
expand to look like the following:
When creating an NS record for the domain itself (not a sub-domain), the Host field should be left blank.
Enter a name server host name and its IP address into the corresponding boxes. The host name can be a
non-FQDN (fully qualified domain name). Please be sure that a corresponding A record is created. Click
the button on the right to finish and to add other name servers. Click the Save button to save your
changes.
MXRecords 
The MX Record table shows the domain’s MX records. To add a new MX record, click the New MX