User's Manual

Priority

This option specifies the priority of different connections.

Select the Default option to apply the Default Connection Priority (refer to the table

shown on the main DNS settings page) to an A record. To customize priorities, choose

the Custom option and a priority selection table will be shown at the bottom.

Included IP

Address(es)

This setting specifies lists of WAN-specific Internet IP addresses that are candidates to be

returned when the Peplink Balance responds to DNS queries for the domain name

specified by Host Name.

The IP addresses listed in each box as default are the Internet IP addresses associated

with each of the WAN connections. Static IP addresses that are not associated with any

WAN can be entered into the Custom IP list. A PTR record is also created for each custom

IP.

For WAN connections that operate under drop-in mode, there may be other routable IP

addresses in addition to the default IP address. Therefore, the Peplink Balance allows

custom Internet IP addresses to be added manually via filling the text box on the right-hand

side and clicking the button.

Only the checked IP addresses in the lists are candidates to be returned when responding

to a DNS query.

If a WAN connection is down, the corresponding set of IP addresses will not be returned.

However, the IP addresses in the Custom IP Address field will always be returned.

If the Connection Priority field is set to Custom, you can also specify the usage priority of

each WAN connection. Only selected IP address(es) of available connection(s) with the

highest priority, and custom IP addresses will be returned. By default, Connection Priority

is set to Default.

PTR Records

PTR records are created along with A records pointing to custom IPs. For example, if you created an A

record www.mydomain.com pointing to 11.22.33.44, then a PTR record 44.33.22.11.in-addr.arpa pointing

to www.mydomain.com will also be created. When there are multiple host names pointing to the same IP

address, only one PTR record for the IP address will be created. In order for PTR records to function, you

also need to create NS records. For example, if the IP address range 11.22.33.0 to 11.22.33.255 is

delegated to the DNS server on the Peplink Balance, you will also have to create a domain

33.22.11.in-addr.arpa and have its NS records pointing to your DNS server’s (the Peplink Balance’s)

public IP addresses. With the above records created, the PTR record creation is complete.

https://www.peplink.com

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