If you want to add ANTEL to your Upstream DNS Servers you just need to edit /etc/pihole/dns-servers.conf
file and add the following line:
ANTEL;200.40.220.245;200.40.30.245
Now you can select this server from the web interface
If you want to add ANTEL to your Upstream DNS Servers you just need to edit /etc/pihole/dns-servers.conf
file and add the following line:
ANTEL;200.40.220.245;200.40.30.245
Now you can select this server from the web interface
Note that this local change to the web interface will be lost on a Pi-hole update or repair.
A more permanent method of including these DNS servers in your Pi-hole install is to add the IP's as Custom 1 and Custom 2. This configuration is stored in a persistent file.