Applications >> Dynamic DNS Setup

Dynamic DNS Setup|  Set to Factory Default |
 Enable Dynamic DNS Setup  
 Auto-Update interval   Min(s) (180~14400)

Accounts:
IndexEnableWAN InterfaceDomain Name
1.WAN1 First 
2.WAN1 First 
3.WAN1 First 
4.WAN1 First 
5.WAN1 First 
6.WAN1 First