diff --git a/certbot/nvo_dominio.sh b/certbot/nvo_dominio.sh
new file mode 100644
index 0000000..1eae06f
--- /dev/null
+++ b/certbot/nvo_dominio.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+set -e
+
+trap exit INT TERM
+
+DominioExtra="webapp1.dominio.com"
+EmailExtra="sysadmin.dominio.com"
+
+domain="$DominioExtra"
+
+if [ -d "/etc/letsencrypt/live/$domain" ]; then
+echo "El directorio para certificados Let's Encrypt del $domain ya existe"
+exit 0
+fi
+
+echo "Creando el directorio certbot para $domain";
+mkdir -p /var/www/certbot/$domain;
+echo "crea los subdirectorios de $domain para los acme-challenges";
+mkdir -p /var/www/certbot/$domain/.well-known/acme-challenge;
+
+email="${EmailExtra}"
+if [ -z "$email" ]; then
+email_arg="--register-unsafely-without-email"
+echo "Obteniendo el certificado para $domain sin email"
+else
+email_arg="--email $email"
+echo "Obteniendo el certificado para $domain con email $email"
+fi
+
+certbot certonly \
+--webroot \
+-w "/var/www/certbot/$domain" \
+-d "$domain" \
+$test_cert_arg \
+$email_arg \
+--rsa-key-size "${CERTBOT_RSA_KEY_SIZE:-4096}" \
+--agree-tos \
+--noninteractive \
+--verbose || true
\ No newline at end of file