diff --git a/lib/bashio.sh b/lib/bashio.sh
index aa841de..6da4f72 100644
--- a/lib/bashio.sh
+++ b/lib/bashio.sh
@@ -58,6 +58,8 @@ source "${__BASHIO_LIB_DIR}/config.sh"
 source "${__BASHIO_LIB_DIR}/debug.sh"
 # shellcheck source=lib/exit.sh
 source "${__BASHIO_LIB_DIR}/exit.sh"
+# shellcheck source=lib/dns.sh
+source "${__BASHIO_LIB_DIR}/dns.sh"
 # shellcheck source=lib/hardware.sh
 source "${__BASHIO_LIB_DIR}/hardware.sh"
 # shellcheck source=lib/hassos.sh
diff --git a/lib/dns.sh b/lib/dns.sh
new file mode 100644
index 0000000..a384da5
--- /dev/null
+++ b/lib/dns.sh
@@ -0,0 +1,236 @@
+#!/usr/bin/env bash
+# ==============================================================================
+# Community Hass.io Add-ons: Bashio
+# Bashio is an bash function library for use with Hass.io add-ons.
+#
+# It contains a set of commonly used operations and can be used
+# to be included in add-on scripts to reduce code duplication across add-ons.
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# Updates the DNS to the latest version.
+#
+# Arguments:
+#   $1 Version to update to (optional)
+# ------------------------------------------------------------------------------
+function bashio::dns.update() {
+    local version=${1:-}
+
+    bashio::log.trace "${FUNCNAME[0]}:" "$@"
+
+    if bashio::var.has_value "${version}"; then
+        version=$(bashio::var.json version "${version}")
+        bashio::api.hassio POST /dns/update "${version}"
+    else
+        bashio::api.hassio POST /dns/update
+    fi
+    bashio::cache.flush_all
+}
+
+# ------------------------------------------------------------------------------
+# Restarts the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.restart() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::api.hassio POST /dns/restart
+    bashio::cache.flush_all
+}
+
+# ------------------------------------------------------------------------------
+# Returns the logs created by the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.logs() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::api.hassio GET /dns/logs true
+}
+
+# ------------------------------------------------------------------------------
+# Returns a JSON object with generic version information about the DNS.
+#
+# Arguments:
+#   $1 Cache key to store results in (optional)
+#   $2 jq Filter to apply on the result (optional)
+# ------------------------------------------------------------------------------
+function bashio::dns() {
+    local cache_key=${1:-'dns.info'}
+    local filter=${2:-}
+    local info
+    local response
+
+    bashio::log.trace "${FUNCNAME[0]}" "$@"
+
+    if bashio::cache.exists "${cache_key}"; then
+        bashio::cache.get "${cache_key}"
+        return "${__BASHIO_EXIT_OK}"
+    fi
+
+    if bashio::cache.exists 'dns.info'; then
+        info=$(bashio::cache.get 'dns.info')
+    else
+        info=$(bashio::api.hassio GET /dns/info false)
+        bashio::cache.set 'dns.info' "${info}"
+    fi
+
+    response="${info}"
+    if bashio::var.has_value "${filter}"; then
+        response=$(bashio::jq "${info}" "${filter}")
+    fi
+
+    bashio::cache.set "${cache_key}" "${response}"
+    printf "%s" "${response}"
+
+    return "${__BASHIO_EXIT_OK}"
+}
+
+# ------------------------------------------------------------------------------
+# Returns the Hass.io DNS host.
+# ------------------------------------------------------------------------------
+function bashio::dns.host() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::dns 'dns.info.host' '.host'
+}
+
+# ------------------------------------------------------------------------------
+# Returns the current version of the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.version() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::dns 'dns.info.version' '.version'
+}
+
+# ------------------------------------------------------------------------------
+# Returns the latest version of the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.last_version() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::dns 'dns.info.last_version' '.last_version'
+}
+
+# ------------------------------------------------------------------------------
+# Checks if there is an update available for the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.update_available() {
+    local version
+    local last_version
+
+    bashio::log.trace "${FUNCNAME[0]}"
+
+    version=$(bashio::dns.version)
+    last_version=$(bashio::dns.last_version)
+
+    if [[ "${version}" = "${last_version}" ]]; then
+        return "${__BASHIO_EXIT_NOK}"
+    fi
+
+    return "${__BASHIO_EXIT_OK}"
+}
+
+# ------------------------------------------------------------------------------
+# Returns a list of DNS servers used by the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.servers() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::supervisor 'dns.info.servers' '.servers[]'
+}
+
+# ------------------------------------------------------------------------------
+# List all available stats about the DNS.
+#
+# Arguments:
+#   $1 Cache key to store results in (optional)
+#   $2 jq Filter to apply on the result (optional)
+# ------------------------------------------------------------------------------
+function bashio::dns.stats() {
+    local cache_key=${1:-'dns.stats'}
+    local filter=${2:-}
+    local info
+    local response
+
+    bashio::log.trace "${FUNCNAME[0]}" "$@"
+
+    if bashio::cache.exists "${cache_key}"; then
+        bashio::cache.get "${cache_key}"
+        return "${__BASHIO_EXIT_OK}"
+    fi
+
+    if bashio::cache.exists 'dns.stats'; then
+        info=$(bashio::cache.get 'dns.stats')
+    else
+        info=$(bashio::api.hassio GET /dns/stats false)
+        bashio::cache.set 'dns.stats' "${info}"
+    fi
+
+    response="${info}"
+    if bashio::var.has_value "${filter}"; then
+        response=$(bashio::jq "${info}" "${filter}")
+    fi
+
+    bashio::cache.set "${cache_key}" "${response}"
+    printf "%s" "${response}"
+
+    return "${__BASHIO_EXIT_OK}"
+}
+
+# ------------------------------------------------------------------------------
+# Returns CPU usage from the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.cpu_percent() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::dns.stats 'dns.stats.cpu_percent' '.cpu_percent'
+}
+
+# ------------------------------------------------------------------------------
+# Returns memory usage from the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.memory_usage() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::dns.stats 'dns.stats.memory_usage' '.memory_usage'
+}
+
+# ------------------------------------------------------------------------------
+# Returns memory limit from the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.memory_limit() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::dns.stats 'dns.stats.memory_limit' '.memory_limit'
+}
+
+# ------------------------------------------------------------------------------
+# Returns memory usage in percent from the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.memory_percent() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::dns.stats 'dns.stats.memory_percent' '.memory_percent'
+}
+
+# ------------------------------------------------------------------------------
+# Returns outgoing network usage from the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.network_tx() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::dns.stats 'dns.stats.network_tx' '.network_tx'
+}
+
+# ------------------------------------------------------------------------------
+# Returns incoming network usage from the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.network_rx() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::dns.stats 'dns.stats.network_rx' '.network_rx'
+}
+
+# ------------------------------------------------------------------------------
+# Returns disk read usage from the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.blk_read() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::dns.stats 'dns.stats.blk_read' '.blk_read'
+}
+
+# ------------------------------------------------------------------------------
+# Returns disk write usage from the DNS.
+# ------------------------------------------------------------------------------
+function bashio::dns.blk_write() {
+    bashio::log.trace "${FUNCNAME[0]}"
+    bashio::dns.stats 'dns.stats.blk_write' '.blk_write'
+}