Draytek Vigor3220 Series User Manual page 142

The following two blocks should be typed your account Login Name: test and Password:
test.
Available settings are explained as follows:
Item
Enable Dynamic DNS
Account
WAN Interface
Service Provider
Service Type
Domain Name
Login Name
Password
Wildcard and
Backup MX
Mail Extender
Determine Real
WAN IP
130
Description
Check this box to enable the current account. If you did
check the box, you will see a check mark appeared on the
Active column of the previous web page in step 2).
WAN1/WAN2/WAN3/WAN4/WAN5 First - While connecting,
the router will use WAN1/WAN2/WAN3/WAN4/WAN5 as the
first channel for such account. If WAN1/WAN2/WAN3 /WAN4
/WAN5 fails, the router will use another WAN interface
instead.
WAN1/WAN2/WAN3/WAN4/WAN5 Only - While connecting,
the router will use WAN1/WAN2/WAN3/WAN4/WAN5 as the
only channel for such account.
Select the service provider for the DDNS account.
Select a service type (Dynamic, Custom or Static). If you
choose Custom, you can modify the domain that is chosen in
the Domain Name field.
Type in one domain name that you applied previously. Use
the drop down list to choose the desired domain.
Type in the login name that you set for applying domain.
Type in the password that you set for applying domain.
The Wildcard and Backup MX (Mail Exchange) features are
not supported for all Dynamic DNS providers. You could get
more detailed information from their websites.
If the mail server is defined with another name, please type
the name in this area. Such mail server will be used as
backup mail exchange.
If a Vigor router is installed behind any NAT router, you can
enable such function to locate the real WAN IP.
When the WAN IP used by Vigor router is private IP, this
function can detect the public IP used by the NAT router and
use the detected IP address for DDNS update.
Vigor3220 Series User's Guide