Use pfSense to update the Systems General Setup by adding two DNS servers to the DNS Server Settings using the following parameters:

pfSense URL: $198\mathrm{.}28\mathrm{.}56\mathrm{.}22$Username: adminPassword: P@ssw$0$rdAdd a DNS server:

IP address: $163\mathrm{.}128\mathrm{.}78\mathrm{.}93$Hostname: DNS$1$Gateway: None

Add another DNS server:

IP address: $163\mathrm{.}128\mathrm{.}80\mathrm{.}93$Hostname: DNS$2$Gateway: None

Save the settings.