diff --git a/dnsapi/dns_kas.sh b/dnsapi/dns_kas.sh
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+#!/usr/bin/env sh
+########################################################################
+# All-inkl Kasserver hook script for acme.sh
+#
+# Environment variables:
+#
+#  - $KAS_Login (Kasserver API login name)
+#  - $KAS_Authtype (Kasserver API auth type. Default: sha1)
+#  - $KAS_Authdata (Kasserver API auth data.)
+#
+# Author: Martin Kammerlander, Phlegx Systems OG <martin.kammerlander@phlegx.com>
+# Updated by: Marc-Oliver Lange <git@die-lang.es>
+# Credits: Inspired by dns_he.sh. Thanks a lot man!
+# Git repo: https://github.com/phlegx/acme.sh
+# TODO: Better Error handling
+########################################################################
+KAS_Api="https://kasapi.kasserver.com/dokumentation/formular.php"
+########  Public functions  #####################
+dns_kas_add() {
+  _fulldomain=$1
+  _txtvalue=$2
+  _info "Using DNS-01 All-inkl/Kasserver hook"
+  _info "Adding $_fulldomain DNS TXT entry on All-inkl/Kasserver"
+  _info "Check and Save Props"
+  _check_and_save
+  _info "Checking Zone and Record_Name"
+  _get_zone_and_record_name "$_fulldomain"
+  _info "Getting Record ID"
+  _get_record_id
+
+  _info "Creating TXT DNS record"
+  params="?kas_login=$KAS_Login"
+  params="$params&kas_auth_type=$KAS_Authtype"
+  params="$params&kas_auth_data=$KAS_Authdata"
+  params="$params&var1=record_name"
+  params="$params&wert1=$_record_name"
+  params="$params&var2=record_type"
+  params="$params&wert2=TXT"
+  params="$params&var3=record_data"
+  params="$params&wert3=$_txtvalue"
+  params="$params&var4=record_aux"
+  params="$params&wert4=0"
+  params="$params&kas_action=add_dns_settings"
+  params="$params&var5=zone_host"
+  params="$params&wert5=$_zone"
+  _debug2 "Wait for 10 seconds by default before calling KAS API."
+  _sleep 10
+  response="$(_get "$KAS_Api$params")"
+  _debug2 "response" "$response"
+
+  if ! _contains "$response" "TRUE"; then
+    _err "An unkown error occurred, please check manually."
+    return 1
+  fi
+  return 0
+}
+
+dns_kas_rm() {
+  _fulldomain=$1
+  _txtvalue=$2
+  _info "Using DNS-01 All-inkl/Kasserver hook"
+  _info "Cleaning up after All-inkl/Kasserver hook"
+  _info "Removing $_fulldomain DNS TXT entry on All-inkl/Kasserver"
+
+  _info "Check and Save Props"
+  _check_and_save
+  _info "Checking Zone and Record_Name"
+  _get_zone_and_record_name "$_fulldomain"
+  _info "Getting Record ID"
+  _get_record_id
+
+  # If there is a record_id, delete the entry
+  if [ -n "$_record_id" ]; then
+    params="?kas_login=$KAS_Login"
+    params="$params&kas_auth_type=$KAS_Authtype"
+    params="$params&kas_auth_data=$KAS_Authdata"
+    params="$params&kas_action=delete_dns_settings"
+
+    for i in $_record_id; do
+      params2="$params&var1=record_id"
+      params2="$params2&wert1=$i"
+      _debug2 "Wait for 10 seconds by default before calling KAS API."
+      _sleep 10
+      response="$(_get "$KAS_Api$params2")"
+      _debug2 "response" "$response"
+      if ! _contains "$response" "TRUE"; then
+        _err "Either the txt record is not found or another error occurred, please check manually."
+        return 1
+      fi
+    done
+  else # Cannot delete or unkown error
+    _err "No record_id found that can be deleted. Please check manually."
+    return 1
+  fi
+  return 0
+}
+
+########################## PRIVATE FUNCTIONS ###########################
+
+# Checks for the ENV variables and saves them
+_check_and_save() {
+  KAS_Login="${KAS_Login:-$(_readaccountconf_mutable KAS_Login)}"
+  KAS_Authtype="${KAS_Authtype:-$(_readaccountconf_mutable KAS_Authtype)}"
+  KAS_Authdata="${KAS_Authdata:-$(_readaccountconf_mutable KAS_Authdata)}"
+
+  if [ -z "$KAS_Login" ] || [ -z "$KAS_Authtype" ] || [ -z "$KAS_Authdata" ]; then
+    KAS_Login=
+    KAS_Authtype=
+    KAS_Authdata=
+    _err "No auth details provided. Please set user credentials using the \$KAS_Login, \$KAS_Authtype, and \$KAS_Authdata environment variables."
+    return 1
+  fi
+  _saveaccountconf_mutable KAS_Login "$KAS_Login"
+  _saveaccountconf_mutable KAS_Authtype "$KAS_Authtype"
+  _saveaccountconf_mutable KAS_Authdata "$KAS_Authdata"
+  return 0
+}
+
+# Gets back the base domain/zone and record name.
+# See: https://github.com/Neilpang/acme.sh/wiki/DNS-API-Dev-Guide
+_get_zone_and_record_name() {
+  params="?kas_login=$KAS_Login"
+  params="?kas_login=$KAS_Login"
+  params="$params&kas_auth_type=$KAS_Authtype"
+  params="$params&kas_auth_data=$KAS_Authdata"
+  params="$params&kas_action=get_domains"
+
+  _debug2 "Wait for 10 seconds by default before calling KAS API."
+  _sleep 10
+  response="$(_get "$KAS_Api$params")"
+  _debug2 "response" "$response"
+  _zonen="$(echo "$response" | tr -d "\n\r" | tr -d " " | tr '[]' '<>' | sed "s/=>Array/\n=> Array/g" | tr ' ' '\n' | grep "domain_name" | tr '<' '\n' | grep "domain_name" | sed "s/domain_name>=>//g")"
+  _domain="$1"
+  _temp_domain="$(echo "$1" | sed 's/\.$//')"
+  _rootzone="$_domain"
+  for i in $_zonen; do
+    l1=${#_rootzone}
+    l2=${#i}
+    if _endswith "$_domain" "$i" && [ "$l1" -ge "$l2" ]; then
+      _rootzone="$i"
+    fi
+  done
+  _zone="${_rootzone}."
+  _temp_record_name="$(echo "$_temp_domain" | sed "s/$_rootzone//g")"
+  _record_name="$(echo "$_temp_record_name" | sed 's/\.$//')"
+  _debug2 "Zone:" "$_zone"
+  _debug2 "Domain:" "$_domain"
+  _debug2 "Record_Name:" "$_record_name"
+  return 0
+}
+
+# Retrieve the DNS record ID
+_get_record_id() {
+  params="?kas_login=$KAS_Login"
+  params="$params&kas_auth_type=$KAS_Authtype"
+  params="$params&kas_auth_data=$KAS_Authdata"
+  params="$params&kas_action=get_dns_settings"
+  params="$params&var1=zone_host"
+  params="$params&wert1=$_zone"
+
+  _debug2 "Wait for 10 seconds by default before calling KAS API."
+  _sleep 10
+  response="$(_get "$KAS_Api$params")"
+  _debug2 "response" "$response"
+  _record_id="$(echo "$response" | tr -d "\n\r" | tr -d " " | tr '[]' '<>' | sed "s/=>Array/\n=> Array/g" | tr ' ' '\n' | grep "=>$_record_name<" | grep '>TXT<' | tr '<' '\n' | grep record_id | sed "s/record_id>=>//g")"
+  _debug2 _record_id "$_record_id"
+  return 0
+}