Block-SecureDNS

SDNS-BlockList.py:

SDNS-BlockList: Extract domains from SDNS stamp containing files
Tested with Python 3.9.1 and dnsstamps 1.3.0
Use: $python SDNS-BlockList.py <Resolvers_List_URLs>

Arguments:
'-y': Overwrite existing lists
'-f': Use URLs from file
'-s': Extract domains from SDNS stamps (Default)
'-d': Extract domains directly
'-dn': Return domains (Default)
'-ip': Resolve domains to return IPs
'-o': Only print results
'-r': Lookup IPs/aliases for found domains; domains/aliases for found IPs (takes a while)
'-e': Exclude following domains

Required Modules: 'dnsstamps'

Default Lists:
SDNS stamps: https://raw.githubusercontent.com/DNSCrypt/dnscrypt-resolvers/master/v3/public-resolvers.md
Domains: https://raw.githubusercontent.com/wiki/curl/curl/DNS-over-HTTPS.md

Example use:

# Extract domains from DNS-over-HTTPS.md and public-resolvers.md and all their aliases
SDNS-BlockList.py -d -s -r
# Extract domains from DNS-over-HTTPS.md and resolve them to return IPs
SDNS-BlockList.py -ip -dn https://raw.githubusercontent.com/DNSCrypt/dnscrypt-resolvers/master/v3/public-resolvers.md
# Extract domains from DNS-over-HTTPS.md but exclude "dns.google" and "dns.adguard.com"
SDNS-BlockList.py -d -e dns.google,dns.adguard.com -r

SDNS-Domains.list:

A list of SecureDNS server hostnames. Generated using lists from SDNS-Resolvers-Lists.list

SDNS-IPs.list:

A list of SecureDNS server IPs. Generated using lists from SDNS-Resolvers-Lists.list

Example: Use script with Pi-Hole

Create a cronjob:

Upates every sunday at 00:00

00 00 7 * * /usr/local/bin/pihole -b $(/usr/bin/python3 /root/SDNS-BlockList.py -s -d -o)