AW1000 DNS

Login 192.168.1.1 , username : root , password : password

Network > Interface > wan (select edit) > General Settings

Device set to wwan0

Network > Interface > wan (select edit) > General Settings> Advanced Settings

Untick Use DNS servers advertised by peer

Use custom DNS servers

1.1.1.1

1.0.0.1

Network > Interface > lan (select edit) > General Settings> Advanced Settings

Untick Use DNS servers advertised by peer

Use custom DNS servers

1.1.1.1

1.0.0.1

Network > DHCP and DNS > General Settings

DNS forwardings

/a.a/1.1.1.1

/b.b/1.0.0.1

Test DNS working

https://dnsleaktest.com/

standard test selected