apiVersion: v1
kind: ConfigMap
metadata:
  namespace: unbound
  name: unbound-config
data:
  unbound.conf: |
    server:
      # Enable or disable whether the unbound server forks into the background
      # as a daemon. Default is yes.
      do-daemonize: no

      # If given, after binding the port the user privileges are dropped.
      # Default is "unbound". If you give username: "" no user change is performed.
      username: "unbound"

      # No need to chroot as this container has been stripped of all other binaries.
      chroot: ""

      # If "" is given, logging goes to stderr, or nowhere once daemonized.
      logfile: ""

      # The process id is written to the file. Not required since we are running
      # in a container with one process.
      pidfile: ""

      # The verbosity number, level 0 means no verbosity, only errors.
      # Level 1 gives operational information.
      # Level 2 gives detailed operational information.
      # Level 3 gives query level information, output per query.
      # Level 4 gives algorithm level information.
      # Level 5 logs client identification for cache misses.
      # Default is level 1. The verbosity can also be increased from the commandline.
      verbosity: 1

      # Listen on all ipv4 interfaces, answer queries from the local subnet.
      interface: 0.0.0.0

      # The port number, default 53, on which the server responds to queries.
      port: 53

      do-ip4: yes
      do-udp: yes
      do-tcp: yes

      # May be set to yes if you have IPv6 connectivity
      do-ip6: no

      # You want to leave this to no unless you have *native* IPv6. With 6to4 and
      # Terredo tunnels your web browser should favor IPv4 for the same reasons
      prefer-ip6: no

      # Use this only when you downloaded the list of primary root servers!
      # If you use the default dns-root-data package, unbound will find it automatically
      root-hints: /etc/unbound/root.hints

      # File with trust anchor for one zone, which is tracked with RFC5011 probes.
      # The probes are several times per month, thus the machine must be online frequently.
      # The initial file can be one with contents as described in trust-anchor-file.
      # The file is written to when the anchor is updated, so the unbound user must
      # have write permission.
      auto-trust-anchor-file: /etc/unbound/root.key

      # Trust glue only if it is within the server's authority
      harden-glue: yes

      # Require DNSSEC data for trust-anchored zones, if such data is absent, the zone becomes BOGUS
      harden-dnssec-stripped: yes

      # Don't use Capitalization randomization as it known to cause DNSSEC issues sometimes
      # see https://discourse.pi-hole.net/t/unbound-stubby-or-dnscrypt-proxy/9378 for further details
      use-caps-for-id: no

      # Reduce EDNS reassembly buffer size.
      # Suggested by the unbound man page to reduce fragmentation reassembly problems
      edns-buffer-size: 1472

      # Perform prefetching of close to expired message cache entries
      # This only applies to domains that have been frequently queried
      prefetch: yes

      # One thread should be sufficient, can be increased on beefy machines.
      # In reality for most users running on small networks or on a single machine,
      # it should be unnecessary to seek performance enhancement by increasing num-threads above 1.
      num-threads: 1

      # Ensure kernel buffer is large enough to not lose messages in traffic spikes
      # (requires CAP_NET_ADMIN or privileged)
      so-rcvbuf: 1m

      # The netblock is given as an IP4 or IP6 address with /size appended for a
      # classless network block. The action can be deny, refuse, allow or allow_snoop.
      access-control: 127.0.0.1/32 allow
      access-control: 192.168.0.0/16 allow
      access-control: 172.16.0.0/12 allow
      access-control: 10.0.0.0/8 allow

      # Ensure privacy of local IP ranges
      private-address: 192.168.0.0/16
      private-address: 169.254.0.0/16
      private-address: 172.16.0.0/12
      private-address: 10.0.0.0/8
      private-address: fd00::/8
      private-address: fe80::/10
  root.hints: |
    ;       This file holds the information on root name servers needed to 
    ;       initialize cache of Internet domain name servers
    ;       (e.g. reference this file in the "cache  .  <file>"
    ;       configuration file of BIND domain name servers). 
    ; 
    ;       This file is made available by InterNIC 
    ;       under anonymous FTP as
    ;           file                /domain/named.cache 
    ;           on server           FTP.INTERNIC.NET
    ;       -OR-                    RS.INTERNIC.NET
    ;
    ;       last update:     December 16, 2021
    ;       related version of root zone:     2021121601
    ; 
    ; FORMERLY NS.INTERNIC.NET 
    ;
    .                        3600000      NS    A.ROOT-SERVERS.NET.
    A.ROOT-SERVERS.NET.      3600000      A     198.41.0.4
    A.ROOT-SERVERS.NET.      3600000      AAAA  2001:503:ba3e::2:30
    ; 
    ; FORMERLY NS1.ISI.EDU 
    ;
    .                        3600000      NS    B.ROOT-SERVERS.NET.
    B.ROOT-SERVERS.NET.      3600000      A     199.9.14.201
    B.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:200::b
    ; 
    ; FORMERLY C.PSI.NET 
    ;
    .                        3600000      NS    C.ROOT-SERVERS.NET.
    C.ROOT-SERVERS.NET.      3600000      A     192.33.4.12
    C.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:2::c
    ; 
    ; FORMERLY TERP.UMD.EDU 
    ;
    .                        3600000      NS    D.ROOT-SERVERS.NET.
    D.ROOT-SERVERS.NET.      3600000      A     199.7.91.13
    D.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:2d::d
    ; 
    ; FORMERLY NS.NASA.GOV
    ;
    .                        3600000      NS    E.ROOT-SERVERS.NET.
    E.ROOT-SERVERS.NET.      3600000      A     192.203.230.10
    E.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:a8::e
    ; 
    ; FORMERLY NS.ISC.ORG
    ;
    .                        3600000      NS    F.ROOT-SERVERS.NET.
    F.ROOT-SERVERS.NET.      3600000      A     192.5.5.241
    F.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:2f::f
    ; 
    ; FORMERLY NS.NIC.DDN.MIL
    ;
    .                        3600000      NS    G.ROOT-SERVERS.NET.
    G.ROOT-SERVERS.NET.      3600000      A     192.112.36.4
    G.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:12::d0d
    ; 
    ; FORMERLY AOS.ARL.ARMY.MIL
    ;
    .                        3600000      NS    H.ROOT-SERVERS.NET.
    H.ROOT-SERVERS.NET.      3600000      A     198.97.190.53
    H.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:1::53
    ; 
    ; FORMERLY NIC.NORDU.NET
    ;
    .                        3600000      NS    I.ROOT-SERVERS.NET.
    I.ROOT-SERVERS.NET.      3600000      A     192.36.148.17
    I.ROOT-SERVERS.NET.      3600000      AAAA  2001:7fe::53
    ; 
    ; OPERATED BY VERISIGN, INC.
    ;
    .                        3600000      NS    J.ROOT-SERVERS.NET.
    J.ROOT-SERVERS.NET.      3600000      A     192.58.128.30
    J.ROOT-SERVERS.NET.      3600000      AAAA  2001:503:c27::2:30
    ; 
    ; OPERATED BY RIPE NCC
    ;
    .                        3600000      NS    K.ROOT-SERVERS.NET.
    K.ROOT-SERVERS.NET.      3600000      A     193.0.14.129
    K.ROOT-SERVERS.NET.      3600000      AAAA  2001:7fd::1
    ; 
    ; OPERATED BY ICANN
    ;
    .                        3600000      NS    L.ROOT-SERVERS.NET.
    L.ROOT-SERVERS.NET.      3600000      A     199.7.83.42
    L.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:9f::42
    ; 
    ; OPERATED BY WIDE
    ;
    .                        3600000      NS    M.ROOT-SERVERS.NET.
    M.ROOT-SERVERS.NET.      3600000      A     202.12.27.33
    M.ROOT-SERVERS.NET.      3600000      AAAA  2001:dc3::35
    ; End of file