diff --git a/Dockerfile b/Dockerfile
index aeed06b..64e59a9 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -101,6 +101,7 @@ RUN \
 	certbot-dns-cloudxns \
 	certbot-dns-cpanel \
 	certbot-dns-digitalocean \
+	certbot-dns-directadmin \
 	certbot-dns-dnsimple \
 	certbot-dns-dnsmadeeasy \
 	certbot-dns-domeneshop \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 61bea38..11b0740 100755
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -101,6 +101,7 @@ RUN \
 	certbot-dns-cloudxns \
 	certbot-dns-cpanel \
 	certbot-dns-digitalocean \
+	certbot-dns-directadmin \
 	certbot-dns-dnsimple \
 	certbot-dns-dnsmadeeasy \
 	certbot-dns-domeneshop \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index efca4f7..2d6ccae 100755
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -101,6 +101,7 @@ RUN \
 	certbot-dns-cloudxns \
 	certbot-dns-cpanel \
 	certbot-dns-digitalocean \
+	certbot-dns-directadmin \
 	certbot-dns-dnsimple \
 	certbot-dns-dnsmadeeasy \
 	certbot-dns-domeneshop \
diff --git a/readme-vars.yml b/readme-vars.yml
index bcdde31..3c324a0 100755
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -51,7 +51,7 @@ cap_add_param_vars:
 opt_param_usage_include_env: true
 opt_param_env_vars:
   - { env_var: "CERTPROVIDER", env_value: "", desc: "Optionally define the cert provider. Set to `zerossl` for ZeroSSL certs (requires existing [ZeroSSL account](https://app.zerossl.com/signup) and the e-mail address entered in `EMAIL` env var). Otherwise defaults to Let's Encrypt." }
-  - { env_var: "DNSPLUGIN", env_value: "cloudflare", desc: "Required if `VALIDATION` is set to `dns`. Options are `aliyun`, `cloudflare`, `cloudxns`, `cpanel`, `digitalocean`, `dnsimple`, `dnsmadeeasy`, `domeneshop`, `gandi`, `gehirn`, `google`, `hetzner`, `inwx`, `linode`, `luadns`, `netcup`, `njalla`, `nsone`, `ovh`, `rfc2136`, `route53`, `sakuracloud` and `transip`. Also need to enter the credentials into the corresponding ini (or json for some plugins) file under `/config/dns-conf`." }
+  - { env_var: "DNSPLUGIN", env_value: "cloudflare", desc: "Required if `VALIDATION` is set to `dns`. Options are `aliyun`, `cloudflare`, `cloudxns`, `cpanel`, `digitalocean`, `directadmin`, `dnsimple`, `dnsmadeeasy`, `domeneshop`, `gandi`, `gehirn`, `google`, `hetzner`, `inwx`, `linode`, `luadns`, `netcup`, `njalla`, `nsone`, `ovh`, `rfc2136`, `route53`, `sakuracloud` and `transip`. Also need to enter the credentials into the corresponding ini (or json for some plugins) file under `/config/dns-conf`." }
   - { env_var: "PROPAGATION", env_value: "", desc: "Optionally override (in seconds) the default propagation time for the dns plugins." }
   - { env_var: "DUCKDNSTOKEN", env_value: "", desc: "Required if `VALIDATION` is set to `duckdns`. Retrieve your token from https://www.duckdns.org" }
   - { env_var: "EMAIL", env_value: "", desc: "Optional e-mail address used for cert expiration notifications (Required for ZeroSSL)." }
@@ -151,6 +151,7 @@ app_setup_nginx_reverse_proxy_block: ""
 
 # changelog
 changelogs:
+  - { date: "14.03.21:", desc: "Add support for directadmin dns validation." }
   - { date: "12.02.21:", desc: "Clean up rust/cargo cache, which ballooned the image size in the last couple of builds." }
   - { date: "10.02.21:", desc: "Fix aliyun, domeneshop, inwx and transip dns confs for existing users." }
   - { date: "09.02.21:", desc: "Rebasing to alpine 3.13. Add nginx mods brotli and dav-ext. Remove nginx mods lua and lua-upstream (due to regression over the last couple of years)." }
diff --git a/root/defaults/dns-conf/directadmin.ini b/root/defaults/dns-conf/directadmin.ini
new file mode 100644
index 0000000..df27379
--- /dev/null
+++ b/root/defaults/dns-conf/directadmin.ini
@@ -0,0 +1,21 @@
+# Instructions: https://github.com/cybercinch/certbot-dns-directadmin/blob/master/certbot_dns_directadmin/__init__.py
+
+# It is recommended to create a login key in the DirectAdmin control panel to be used as value for directadmin_password.
+# Instructions on how to create such key can be found at https://help.directadmin.com/item.php?id=523.
+#
+# Make sure to grant the following permissions:
+# - CMD_API_LOGIN_TEST
+# - CMD_API_DNS_CONTROL
+# - CMD_API_SHOW_DOMAINS
+#
+# Username and password can also be used in case your DirectAdmin instance has no support for login keys.
+
+# The DirectAdmin Server url
+# include the scheme and the port number (Normally 2222)
+directadmin_url = https://my.directadminserver.com:2222
+
+# The DirectAdmin username
+directadmin_username = username
+
+# The DirectAdmin password
+directadmin_password = aSuperStrongPassword
diff --git a/root/etc/cont-init.d/50-config b/root/etc/cont-init.d/50-config
index bb78177..1efa820 100644
--- a/root/etc/cont-init.d/50-config
+++ b/root/etc/cont-init.d/50-config
@@ -99,7 +99,7 @@ if ! grep -q 'PARAMETERS' "/config/nginx/dhparams.pem"; then
 fi
 
 # check to make sure DNSPLUGIN is selected if dns validation is used
-[[ "$VALIDATION" = "dns" ]] && [[ ! "$DNSPLUGIN" =~ ^(aliyun|cloudflare|cloudxns|cpanel|digitalocean|dnsimple|dnsmadeeasy|domeneshop|gandi|gehirn|google|hetzner|inwx|linode|luadns|netcup|njalla|nsone|ovh|rfc2136|route53|sakuracloud|transip)$ ]] && \
+[[ "$VALIDATION" = "dns" ]] && [[ ! "$DNSPLUGIN" =~ ^(aliyun|cloudflare|cloudxns|cpanel|digitalocean|directadmin|dnsimple|dnsmadeeasy|domeneshop|gandi|gehirn|google|hetzner|inwx|linode|luadns|netcup|njalla|nsone|ovh|rfc2136|route53|sakuracloud|transip)$ ]] && \
   echo "Please set the DNSPLUGIN variable to a valid plugin name. See docker info for more details." && \
   sleep infinity
 
@@ -216,6 +216,9 @@ if [ "$VALIDATION" = "dns" ]; then
   elif [[ "$DNSPLUGIN" =~ ^(aliyun|domeneshop|hetzner|inwx|netcup|njalla|transip)$ ]]; then
     if [ -n "$PROPAGATION" ];then PROPAGATIONPARAM="--dns-${DNSPLUGIN}-propagation-seconds ${PROPAGATION}"; fi
     PREFCHAL="-a dns-${DNSPLUGIN} --dns-${DNSPLUGIN}-credentials /config/dns-conf/${DNSPLUGIN}.ini ${PROPAGATIONPARAM}"
+  elif [[ "$DNSPLUGIN" =~ ^(directadmin)$ ]]; then
+    if [ -n "$PROPAGATION" ];then PROPAGATIONPARAM="--${DNSPLUGIN}-propagation-seconds ${PROPAGATION}"; fi
+    PREFCHAL="-a ${DNSPLUGIN} --${DNSPLUGIN}-credentials /config/dns-conf/${DNSPLUGIN}.ini ${PROPAGATIONPARAM}"
   else
     if [ -n "$PROPAGATION" ];then PROPAGATIONPARAM="--dns-${DNSPLUGIN}-propagation-seconds ${PROPAGATION}"; fi
     PREFCHAL="--dns-${DNSPLUGIN} --dns-${DNSPLUGIN}-credentials /config/dns-conf/${DNSPLUGIN}.ini ${PROPAGATIONPARAM}"