diff --git a/dnsapi/dns_world4you.sh b/dnsapi/dns_world4you.sh
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+++ b/dnsapi/dns_world4you.sh
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+#!/usr/bin/env sh
+
+# World4You - www.world4you.com
+# Lorenz Stechauner, 2020 - https://www.github.com/NerLOR
+
+WORLD4YOU_API="https://my.world4you.com/en"
+PAKETNR=''
+TLD=''
+RECORD=''
+
+################ Public functions ################
+
+# Usage: dns_world4you_add <fqdn> <value>
+dns_world4you_add() {
+  fqdn="$1"
+  value="$2"
+  _info "Using world4you to add record"
+  _debug fulldomain "$fqdn"
+  _debug txtvalue "$value"
+
+  _login
+  if [ "$?" != 0 ]; then
+    return 1
+  fi
+
+  export _H1="Cookie: W4YSESSID=$sessid"
+  form=$(_get "$WORLD4YOU_API/dashboard/paketuebersicht")
+  _get_paketnr "$fqdn" "$form"
+  paketnr="$PAKETNR"
+  if [ -z "$paketnr" ]; then
+    _err "Unable to parse paketnr"
+    return 3
+  fi
+  _debug paketnr "$paketnr"
+
+  export _H1="Cookie: W4YSESSID=$sessid"
+  form=$(_get "$WORLD4YOU_API/$paketnr/dns")
+  formiddp=$(echo "$form" | grep 'AddDnsRecordForm\[uniqueFormIdDP\]' | sed 's/^.*name="AddDnsRecordForm\[uniqueFormIdDP\]" value="\([^"]*\)".*$/\1/')
+  formidttl=$(echo "$form" | grep 'AddDnsRecordForm\[uniqueFormIdTTL\]' | sed 's/^.*name="AddDnsRecordForm\[uniqueFormIdTTL\]" value="\([^"]*\)".*$/\1/')
+  form_token=$(echo "$form" | grep 'AddDnsRecordForm\[_token\]' | sed 's/^.*name="AddDnsRecordForm\[_token\]" value="\([^"]*\)".*$/\1/')
+  if [ -z "$formiddp" ]; then
+    _err "Unable to parse form"
+    return 3
+  fi
+
+  _resethttp
+  export ACME_HTTP_NO_REDIRECTS=1
+  body="AddDnsRecordForm[name]=$RECORD&AddDnsRecordForm[dnsType][type]=TXT&\
+AddDnsRecordForm[value]=$value&AddDnsRecordForm[aktivPaket]=$paketnr&AddDnsRecordForm[uniqueFormIdDP]=$formiddp&\
+AddDnsRecordForm[uniqueFormIdTTL]=$formidttl&AddDnsRecordForm[_token]=$form_token"
+  _info "Adding record..."
+  ret=$(_post "$body" "$WORLD4YOU_API/$paketnr/dns" '' POST 'application/x-www-form-urlencoded')
+  _resethttp
+
+  if grep '302' >/dev/null <"$HTTP_HEADER"; then
+    res=$(_get "$WORLD4YOU_API/$paketnr/dns")
+    if _contains "$res" "successfully"; then
+      return 0
+    else
+      msg=$(echo "$res" | tr '\n' '\t' | sed 's/.*<h3 class="mb-5">[^\t]*\t *\([^\t]*\)\t.*/\1/')
+      _err "Unable to add record: $msg"
+      return 1
+    fi
+  else
+    _err "$(_head_n 1 <"$HTTP_HEADER")"
+    return 1
+  fi
+}
+
+# Usage: dns_world4you_rm <fqdn> <value>
+dns_world4you_rm() {
+  fqdn="$1"
+  value="$2"
+  _info "Using world4you to remove record"
+  _debug fulldomain "$fqdn"
+  _debug txtvalue "$value"
+
+  _login
+  if [ "$?" != 0 ]; then
+    return 1
+  fi
+
+  export _H1="Cookie: W4YSESSID=$sessid"
+  form=$(_get "$WORLD4YOU_API/dashboard/paketuebersicht")
+  _get_paketnr "$fqdn" "$form"
+  paketnr="$PAKETNR"
+  if [ -z "$paketnr" ]; then
+    _err "Unable to parse paketnr"
+    return 3
+  fi
+  _debug paketnr "$paketnr"
+
+  form=$(_get "$WORLD4YOU_API/$paketnr/dns")
+  formiddp=$(echo "$form" | grep 'DeleteDnsRecordForm\[uniqueFormIdDP\]' | sed 's/^.*name="DeleteDnsRecordForm\[uniqueFormIdDP\]" value="\([^"]*\)".*$/\1/')
+  formidttl=$(echo "$form" | grep 'DeleteDnsRecordForm\[uniqueFormIdTTL\]' | sed 's/^.*name="DeleteDnsRecordForm\[uniqueFormIdTTL\]" value="\([^"]*\)".*$/\1/')
+  form_token=$(echo "$form" | grep 'DeleteDnsRecordForm\[_token\]' | sed 's/^.*name="DeleteDnsRecordForm\[_token\]" value="\([^"]*\)".*$/\1/')
+  if [ -z "$formiddp" ]; then
+    _err "Unable to parse form"
+    return 3
+  fi
+
+  recordid=$(printf "TXT:%s.:\"%s\"" "$fqdn" "$value" | _base64)
+  _debug recordid "$recordid"
+
+  _resethttp
+  export ACME_HTTP_NO_REDIRECTS=1
+  body="DeleteDnsRecordForm[recordId]=$recordid&DeleteDnsRecordForm[aktivPaket]=$paketnr&\
+DeleteDnsRecordForm[uniqueFormIdDP]=$formiddp&DeleteDnsRecordForm[uniqueFormIdTTL]=$formidttl&\
+DeleteDnsRecordForm[_token]=$form_token"
+  _info "Removing record..."
+  ret=$(_post "$body" "$WORLD4YOU_API/$paketnr/deleteRecord" '' POST 'application/x-www-form-urlencoded')
+  _resethttp
+
+  if grep '302' >/dev/null <"$HTTP_HEADER"; then
+    res=$(_get "$WORLD4YOU_API/$paketnr/dns")
+    if _contains "$res" "successfully"; then
+      return 0
+    else
+      msg=$(echo "$res" | tr '\n' '\t' | sed 's/.*<h3 class="mb-5">[^\t]*\t *\([^\t]*\)\t.*/\1/')
+      _err "Unable to remove record: $msg"
+      return 1
+    fi
+  else
+    _err "$(_head_n 1 <"$HTTP_HEADER")"
+    return 1
+  fi
+}
+
+################ Private functions ################
+
+# Usage: _login
+_login() {
+  WORLD4YOU_USERNAME="${WORLD4YOU_USERNAME:-$(_readaccountconf_mutable WORLD4YOU_USERNAME)}"
+  WORLD4YOU_PASSWORD="${WORLD4YOU_PASSWORD:-$(_readaccountconf_mutable WORLD4YOU_PASSWORD)}"
+
+  if [ -z "$WORLD4YOU_USERNAME" ] || [ -z "$WORLD4YOU_PASSWORD" ]; then
+    WORLD4YOU_USERNAME=""
+    WORLD4YOU_PASSWORD=""
+    _err "You didn't specify world4you username and password yet."
+    _err "Usage: export WORLD4YOU_USERNAME=<name>"
+    _err "Usage: export WORLD4YOU_PASSWORD=<password>"
+    return 1
+  fi
+
+  _saveaccountconf_mutable WORLD4YOU_USERNAME "$WORLD4YOU_USERNAME"
+  _saveaccountconf_mutable WORLD4YOU_PASSWORD "$WORLD4YOU_PASSWORD"
+
+  _info "Logging in..."
+
+  username="$WORLD4YOU_USERNAME"
+  password="$WORLD4YOU_PASSWORD"
+  csrf_token=$(_get "$WORLD4YOU_API/login" | grep '_csrf_token' | sed 's/^.*<input[^>]*value=\"\([^"]*\)\".*$/\1/')
+  sessid=$(grep 'W4YSESSID' <"$HTTP_HEADER" | sed 's/^.*W4YSESSID=\([^;]*\);.*$/\1/')
+
+  export _H1="Cookie: W4YSESSID=$sessid"
+  export _H2="X-Requested-With: XMLHttpRequest"
+  body="_username=$username&_password=$password&_csrf_token=$csrf_token"
+  ret=$(_post "$body" "$WORLD4YOU_API/login" '' POST 'application/x-www-form-urlencoded')
+  unset _H2
+  _debug ret "$ret"
+  if _contains "$ret" "\"success\":true"; then
+    _info "Successfully logged in"
+    sessid=$(grep 'W4YSESSID' <"$HTTP_HEADER" | sed 's/^.*W4YSESSID=\([^;]*\);.*$/\1/')
+  else
+    _err "Unable to log in: $(echo "$ret" | sed 's/^.*"message":"\([^\"]*\)".*$/\1/')"
+    return 1
+  fi
+}
+
+# Usage _get_paketnr <fqdn> <form>
+_get_paketnr() {
+  fqdn="$1"
+  form="$2"
+
+  domains=$(echo "$form" | grep '^ *[A-Za-z0-9_\.-]*\.[A-Za-z0-9_-]*$' | sed 's/^\s*\(\S*\)$/\1/')
+  domain=''
+  for domain in $domains; do
+    if echo "$fqdn" | grep "$domain\$" >/dev/null; then
+      break
+    fi
+    domain=''
+  done
+  if [ -z "$domain" ]; then
+    return 1
+  fi
+
+  TLD="$domain"
+  RECORD=$(echo "$fqdn" | cut -c"1-$((${#fqdn} - ${#TLD} - 1))")
+  PAKETNR=$(echo "$form" | grep "data-textfilter=\" $domain " | _head_n 1 | sed 's/^.* \([0-9]*\) .*$/\1/')
+  return 0
+}