Dns over tls (unbound + stubby)

stubby.yml

resolution_type: GETDNS_RESOLUTION_STUB
round_robin_upstreams: 1
tls_authentication: GETDNS_AUTHENTICATION_REQUIRED
tls_query_padding_blocksize: 256
edns_client_subnet_private: 1
idle_timeout: 9000
listen_addresses:
  - 127.0.0.1@8053
  -  0::1@8053
dns_transport_list:
  - GETDNS_TRANSPORT_TLS
tls_connection_retries: 5
tls_backoff_time: 900
timeout: 2000
tls_ca_path: "/etc/ssl/certs/"
dnssec: GETDNS_EXTENSION_TRUE
dnssec_return_status: GETDNS_EXTENSION_TRUE
dnssec_trust_anchors: "/var/lib/unbound/root.key"
upstream_recursive_servers:
## 1 - The getdnsapi.net DNS TLS Server A+ ( NLD )
  - address_data: 185.49.141.37
    tls_auth_name: "getdnsapi.net"
    tls_port: 853
    tls_pubkey_pinset:
      - digest: "sha256"
        value: foxZRnIh9gZpWnl+zEiKa0EJ2rdCGroMWm02gaxSc9Q=

## 2 - The Surfnet/Sinodun DNS TLS Server #3  A+ ( NLD )
  - address_data: 145.100.185.18
    tls_port: 853
    tls_auth_name: "dnsovertls3.sinodun.com"
    tls_pubkey_pinset:
      - digest: "sha256"
        value: 5SpFz7JEPzF71hditH1v2dBhSErPUMcLPJx1uk2svT8=

## 3 - The The Surfnet/Sinodun DNS TLS Server A ( NLD )
  - address_data: 145.100.185.15
    tls_auth_name: "dnsovertls.sinodun.com"
    tls_port: 443
    tls_pubkey_pinset:
      - digest: "sha256"
        value: 62lKu9HsDVbyiPenApnc4sfmSYTHOVfFgL3pyB+cBL4=

## 4 - The The Surfnet/Sinodun DNS TLS Server #1  A ( NLD )
  - address_data: 145.100.185.16
    tls_auth_name: "dnsovertls1.sinodun.com"
    tls_port: 443
    tls_pubkey_pinset:
      - digest: "sha256"
        value: cE2ecALeE5B+urJhDrJlVFmf38cJLAvqekONvjvpqUA=

## 5 - The DNSPRIVACY.at TLS Server #1  A+ ( DEU )
  - address_data: 94.130.110.185
    tls_auth_name: "ns1.dnsprivacy.at"
    tls_port: 853
    tls_pubkey_pinset:
      - digest: "sha256"
        value: Fr9YdIAIg7TXJLLHp0XbeWKBS2utev0stoEIb+7rZjM=

## 6 - The PI-DNS.COM Central Europe DNS TLS Server A+ ( DEU )
  - address_data: 88.198.91.187
    tls_auth_name: "dot.centraleu.pi-dns.com"
    tls_port: 853
    tls_pubkey_pinset:
      - digest: "sha256"
        value: ZdED9Ry+FfdsbpGVr2IxR/IB0D7FaVpSBWvsRWutrjg=

## 7 - The Lightning Wire Labs DNS TLS Server  A+ ( DEU )
  - address_data: 81.3.27.54
    tls_auth_name: "recursor01.dns.lightningwirelabs.com"
    tls_port: 853
    tls_pubkey_pinset:
      - digest: "sha256"
        value: 9QRO8JyJCVMU+KAO9acW5xfQnSXRuj1OqAz5aZHwH+4=

## 8 - The dnsforge.de DNS TLS Server #1  A+ ( DEU )
  - address_data: 176.9.1.117
    tls_auth_name: "dnsforge.de"
    tls_port: 853
    tls_pubkey_pinset:
      - digest: "sha256"
        value: m51QwAhzNDSa3G7c1Y6eOEsskzp6ySzeOqy0LKcptDw=

## 9 - The dnsforge.de DNS TLS Server #2  A+ ( DEU )
  - address_data: 176.9.93.198
    tls_auth_name: "dnsforge.de"
    tls_port: 853
    tls_pubkey_pinset:
      - digest: "sha256"
        value: m51QwAhzNDSa3G7c1Y6eOEsskzp6ySzeOqy0LKcptDw=

# 10 - The dns.dnshome.de DNS TLS Server #1  A+ ( DEU )
  - address_data: 185.233.106.232
    tls_auth_name: "dns.dnshome.de"
    tls_port: 853
    tls_pubkey_pinset:
      - digest: "sha256"
        value: q5AkxgnWVCVjCUNUKl3aIBpGTfXF5GahE0RcncwbZoc=


tls_cipher_list: "EECDH+AESGCM:EECDH+CHACHA20"
tls_min_version: GETDNS_TLS1_2
tls_max_version: GETDNS_TLS1_3
tls_ciphersuites: "TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256"

unbound.conf

server:
    private-address: 127.0.0.0/8
    private-address: 10.0.0.0/24
    
    interface: 0.0.0.0
    
    access-control: 10.0.0.0/24 allow
    access-control: ::1 allow
    access-control: 0.0.0.0/0 deny
    access-control: ::/0 deny
    
    # Base settings
    directory: "/etc/unbound"
    auto-trust-anchor-file: "/var/lib/unbound/root.key"
    tls-cert-bundle: "/etc/ssl/certs/ca-certificates.crt"
    rrset-roundrobin: yes
    username: "unbound"
    
    # Cache
    cache-max-ttl: 86400
    cache-min-ttl: 300
    neg-cache-size: 4M
    msg-cache-size: 128525653
    rrset-cache-size: 257051306 

    # Cache Slabs
    infra-cache-slabs: 4
    key-cache-slabs: 4
    msg-cache-slabs: 4
    rrset-cache-slabs: 4
    # Cache Misc
    edns-buffer-size: 1472

    # Logging
    #use-syslog: no
    log-local-actions: no
    log-queries: no
    log-replies: no
    log-servfail: no
    logfile: "/var/log/unbound.log"
    verbosity: 0 # errors only

    # Peristence
    incoming-num-tcp: 128
    tcp-idle-timeout: 30000

    # Privacy
    qname-minimisation: yes
    do-not-query-localhost: no
    aggressive-nsec: yes
    hide-identity: yes
    hide-version: yes
    identity: "DNS"
    # Privacy no ipv4 awnsers
    private-address: 10.0.0.0/8
    private-address: 172.16.0.0/12
    private-address: 192.168.0.0/16 
    private-address: 169.254.0.0/16

    # Hardening
    deny-any: yes
    harden-glue: yes
    harden-algo-downgrade: yes
    harden-below-nxdomain: yes
    harden-dnssec-stripped: yes
    harden-large-queries: yes
    harden-referral-path: no

    # Performance
    num-threads: 10
    minimal-responses: yes
    prefetch: yes
    prefetch-key: yes
    serve-expired: yes

    include: /etc/unbound/blackhole.conf
    
forward-zone:
    name: "."
    # Forward all to stubby
    forward-addr: 127.0.0.1@8053
    forward-addr: ::1@8053
    
# Stop!
remote-control:
    control-enable: no