DNS-over-HTTPS Client Pi-Hole/Unbound config for Android Private DNS ad filtering

doh-client.conf

# DNS listen port
listen = [
    "[::]:5380",
]

# HTTP path for upstream resolver

[upstream]

# available selector: random or weighted_round_robin or lvs_weighted_round_robin
upstream_selector = "random"

# weight should in (0, 100], if upstream_selector is random, weight will be ignored

## Google's productive resolver, good ECS, bad DNSSEC
#[[upstream.upstream_google]]
#    url = "https://dns.google.com/resolve"
#    weight = 50

## CloudFlare's resolver, bad ECS, good DNSSEC
#[[upstream.upstream_google]]
#    url = "https://cloudflare-dns.com/dns-query"
#    weight = 50

## CloudFlare's resolver, bad ECS, good DNSSEC
#[[upstream.upstream_google]]
#    url = "https://1.1.1.1/dns-query"
#    weight = 50

# CloudFlare's resolver, bad ECS, good DNSSEC
#[[upstream.upstream_ietf]]
#    url = "https://cloudflare-dns.com/dns-query"
#    weight = 50

## CloudFlare's resolver, bad ECS, good DNSSEC
#[[upstream.upstream_ietf]]
#    url = "https://1.1.1.1/dns-query"
#    weight = 50

## Google's experimental resolver, good ECS, good DNSSEC
#[[upstream.upstream_ietf]]
#    url = "https://dns.google.com/experimental"
#    weight = 50

## CloudFlare's resolver for Tor, available only with Tor
## Remember to disable ECS below when using Tor!
## Blog: https://blog.cloudflare.com/welcome-hidden-resolver/
#[[upstream.upstream_ietf]]
#    url = "https://dns4torpnlfs2ifuz2s2yf3fc7rdmsbhm6rw75euj35pac6ap25zgqad.onion/dns-query"
#    weight = 50

## Custom upstream resolver using hosted DNS-over-HTTPS server
[[upstream.upstream_ietf]]
    url = "https://securedns.domain.name/dns-query"
    weight = 50

[others]
# Bootstrap DNS server to resolve the address of the upstream resolver
# If multiple servers are specified, a random one will be chosen each time.
# If empty, use the system DNS settings.
# If you want to preload IP addresses in /etc/hosts instead of using a
# bootstrap server, please make this list empty.
bootstrap = [

    # Google's resolver, bad ECS, good DNSSEC
    "8.8.8.8:53",
    "8.8.4.4:53",

    # CloudFlare's resolver, bad ECS, good DNSSEC
    "1.1.1.1:53",
    "1.0.0.1:53",

]

# The domain names here are directly passed to bootstrap servers listed above,
# allowing captive portal detection and systems without RTC to work.
# Only effective if at least one bootstrap server is configured.
passthrough = [
    "captive.apple.com",
    "connectivitycheck.gstatic.com",
    "detectportal.firefox.com",
    "msftconnecttest.com",
    "nmcheck.gnome.org",

    "pool.ntp.org",
    "time.apple.com",
    "time.asia.apple.com",
    "time.euro.apple.com",
    "time.nist.gov",
    "time.windows.com",
]

# Timeout for upstream request in seconds
timeout = 30

# Disable HTTP Cookies
#
# Cookies may be useful if your upstream resolver is protected by some
# anti-DDoS services to identify clients.
# Note that DNS Cookies (an DNS protocol extension to DNS) also has the ability
# to track uesrs and is not controlled by doh-client.
no_cookies = true

# Disable EDNS0-Client-Subnet (ECS)
#
# DNS-over-HTTPS supports EDNS0-Client-Subnet protocol, which submits part of
# the client's IP address (/24 for IPv4, /56 for IPv6 by default) to the
# upstream server. This is useful for GeoDNS and CDNs to work, and is exactly
# the same configuration as most public DNS servers.
no_ecs = false

# Disable IPv6 when querying upstream
#
# Only enable this if you really have trouble connecting.
# Doh-client uses both IPv4 and IPv6 by default and should not have problems
# with an IPv4-only environment.
# Note that DNS listening and bootstrapping is not controlled by this option.
no_ipv6 = false

# Enable logging
verbose = false