diff --git a/dnsapi/dns_geoscaling.sh b/dnsapi/dns_geoscaling.sh
new file mode 100755
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+++ b/dnsapi/dns_geoscaling.sh
@@ -0,0 +1,221 @@
+#!/usr/bin/env sh
+
+########################################################################
+# Geoscaling hook script for acme.sh
+#
+# Environment variables:
+#
+#  - $GEOSCALING_Username  (your Geoscaling username - this is usually NOT an amail address)
+#  - $GEOSCALING_Password  (your Geoscaling password)
+
+#-- dns_geoscaling_add() - Add TXT record --------------------------------------
+# Usage: dns_geoscaling_add _acme-challenge.subdomain.domain.com "XyZ123..."
+
+dns_geoscaling_add() {
+  full_domain=$1
+  txt_value=$2
+  _info "Using DNS-01 Geoscaling DNS2 hook"
+
+  GEOSCALING_Username="${GEOSCALING_Username:-$(_readaccountconf_mutable GEOSCALING_Username)}"
+  GEOSCALING_Password="${GEOSCALING_Password:-$(_readaccountconf_mutable GEOSCALING_Password)}"
+  if [ -z "$GEOSCALING_Username" ] || [ -z "$GEOSCALING_Password" ]; then
+    GEOSCALING_Username=
+    GEOSCALING_Password=
+    _err "No auth details provided. Please set user credentials using the \$GEOSCALING_Username and \$GEOSCALING_Password environment variables."
+    return 1
+  fi
+  _saveaccountconf_mutable GEOSCALING_Username "${GEOSCALING_Username}"
+  _saveaccountconf_mutable GEOSCALING_Password "${GEOSCALING_Password}"
+
+  # Fills in the $zone_id and $zone_name
+  find_zone "${full_domain}" || return 1
+  _debug "Zone id '${zone_id}' will be used."
+
+  # We're logged in here
+
+  # we should add ${full_domain} minus the trailing ${zone_name}
+
+  prefix=$(echo "${full_domain}" | sed "s|\\.${zone_name}\$||")
+
+  body="id=${zone_id}&name=${prefix}&type=TXT&content=${txt_value}&ttl=300&prio=0"
+
+  do_post "$body" "https://www.geoscaling.com/dns2/ajax/add_record.php"
+  exit_code="$?"
+  if [ "${exit_code}" -eq 0 ]; then
+    _info "TXT record added successfully."
+  else
+    _err "Couldn't add the TXT record."
+  fi
+  do_logout
+  return "${exit_code}"
+}
+
+#-- dns_geoscaling_rm() - Remove TXT record ------------------------------------
+# Usage: dns_geoscaling_rm _acme-challenge.subdomain.domain.com "XyZ123..."
+
+dns_geoscaling_rm() {
+  full_domain=$1
+  txt_value=$2
+  _info "Cleaning up after DNS-01 Geoscaling DNS2 hook"
+
+  # fills in the $zone_id
+  find_zone "${full_domain}" || return 1
+  _debug "Zone id '${zone_id}' will be used."
+
+  # Here we're logged in
+  # Find the record id to clean
+
+  # get the domain
+  response=$(do_get "https://www.geoscaling.com/dns2/index.php?module=domain&id=${zone_id}")
+  _debug2 "response" "$response"
+
+  table="$(echo "${response}" | tr -d '\n' | sed 's|.*<div class="box"><div class="boxtitle">Basic Records</div><div class="boxtext"><table|<table|; s|</table>.*|</table>|')"
+  _debug2 table "${table}"
+  names=$(echo "${table}" | _egrep_o 'id="[0-9]+\.name">[^<]*</td>' | sed 's|</td>||; s|.*>||')
+  ids=$(echo "${table}" | _egrep_o 'id="[0-9]+\.name">[^<]*</td>' | sed 's|\.name">.*||; s|id="||')
+  types=$(echo "${table}" | _egrep_o 'id="[0-9]+\.type">[^<]*</td>' | sed 's|</td>||; s|.*>||')
+  values=$(echo "${table}" | _egrep_o 'id="[0-9]+\.content">[^<]*</td>' | sed 's|</td>||; s|.*>||')
+
+  _debug2 names "${names}"
+  _debug2 ids "${ids}"
+  _debug2 types "${types}"
+  _debug2 values "${values}"
+
+  # look for line whose name is ${full_domain}, whose type is TXT, and whose value is ${txt_value}
+  line_num="$(echo "${values}" | grep -F -n -- "${txt_value}" | _head_n 1 | cut -d ':' -f 1)"
+  _debug2 line_num "${line_num}"
+  found_id=
+  if [ -n "$line_num" ]; then
+    type=$(echo "${types}" | sed -n "${line_num}p")
+    name=$(echo "${names}" | sed -n "${line_num}p")
+    id=$(echo "${ids}" | sed -n "${line_num}p")
+
+    _debug2 type "$type"
+    _debug2 name "$name"
+    _debug2 id "$id"
+    _debug2 full_domain "$full_domain"
+
+    if [ "${type}" = "TXT" ] && [ "${name}" = "${full_domain}" ]; then
+      found_id=${id}
+    fi
+  fi
+
+  if [ "${found_id}" = "" ]; then
+    _err "Can not find record id."
+    return 0
+  fi
+
+  # Remove the record
+  body="id=${zone_id}&record_id=${found_id}"
+  response=$(do_post "$body" "https://www.geoscaling.com/dns2/ajax/delete_record.php")
+  exit_code="$?"
+  if [ "$exit_code" -eq 0 ]; then
+    _info "Record removed successfully."
+  else
+    _err "Could not clean (remove) up the record. Please go to Geoscaling administration interface and clean it by hand."
+  fi
+  do_logout
+  return "${exit_code}"
+}
+
+########################## PRIVATE FUNCTIONS ###########################
+
+do_get() {
+  _url=$1
+  export _H1="Cookie: $geoscaling_phpsessid_cookie"
+  _get "${_url}"
+}
+
+do_post() {
+  _body=$1
+  _url=$2
+  export _H1="Cookie: $geoscaling_phpsessid_cookie"
+  _post "${_body}" "${_url}"
+}
+
+do_login() {
+
+  _info "Logging in..."
+
+  username_encoded="$(printf "%s" "${GEOSCALING_Username}" | _url_encode)"
+  password_encoded="$(printf "%s" "${GEOSCALING_Password}" | _url_encode)"
+  body="username=${username_encoded}&password=${password_encoded}"
+
+  response=$(_post "$body" "https://www.geoscaling.com/dns2/index.php?module=auth")
+  _debug2 response "${response}"
+
+  #retcode=$(grep '^HTTP[^ ]*' "${HTTP_HEADER}" | _head_n 1 | _egrep_o '[0-9]+$')
+  retcode=$(grep '^HTTP[^ ]*' "${HTTP_HEADER}" | _head_n 1 | cut -d ' ' -f 2)
+
+  if [ "$retcode" != "302" ]; then
+    _err "Geoscaling login failed for user ${GEOSCALING_Username}. Check ${HTTP_HEADER} file"
+    return 1
+  fi
+
+  geoscaling_phpsessid_cookie="$(grep -i '^set-cookie:' "${HTTP_HEADER}" | _egrep_o 'PHPSESSID=[^;]*;' | tr -d ';')"
+  return 0
+
+}
+
+do_logout() {
+  _info "Logging out."
+  response="$(do_get "https://www.geoscaling.com/dns2/index.php?module=auth")"
+  _debug2 response "$response"
+  return 0
+}
+
+find_zone() {
+  domain="$1"
+
+  # do login
+  do_login || return 1
+
+  # get zones
+  response="$(do_get "https://www.geoscaling.com/dns2/index.php?module=domains")"
+
+  table="$(echo "${response}" | tr -d '\n' | sed 's|.*<div class="box"><div class="boxtitle">Your domains</div><div class="boxtext"><table|<table|; s|</table>.*|</table>|')"
+  _debug2 table "${table}"
+  zone_names="$(echo "${table}" | _egrep_o '<b>[^<]*</b>' | sed 's|<b>||;s|</b>||')"
+  _debug2 _matches "${zone_names}"
+  # Zone names and zone IDs are in same order
+  zone_ids=$(echo "${table}" | _egrep_o '<a href=.index\.php\?module=domain&id=[0-9]+. onclick="javascript:show_loader\(\);">' | sed 's|.*id=||;s|. .*||')
+
+  _debug2 "These are the zones on this Geoscaling account:"
+  _debug2 "zone_names" "${zone_names}"
+  _debug2 "And these are their respective IDs:"
+  _debug2 "zone_ids" "${zone_ids}"
+  if [ -z "${zone_names}" ] || [ -z "${zone_ids}" ]; then
+    _err "Can not get zone names or IDs."
+    return 1
+  fi
+  # Walk through all possible zone names
+  strip_counter=1
+  while true; do
+    attempted_zone=$(echo "${domain}" | cut -d . -f ${strip_counter}-)
+
+    # All possible zone names have been tried
+    if [ -z "${attempted_zone}" ]; then
+      _err "No zone for domain '${domain}' found."
+      return 1
+    fi
+
+    _debug "Looking for zone '${attempted_zone}'"
+
+    line_num="$(echo "${zone_names}" | grep -n "^${attempted_zone}\$" | _head_n 1 | cut -d : -f 1)"
+    _debug2 line_num "${line_num}"
+    if [ "$line_num" ]; then
+      zone_id=$(echo "${zone_ids}" | sed -n "${line_num}p")
+      zone_name=$(echo "${zone_names}" | sed -n "${line_num}p")
+      if [ -z "${zone_id}" ]; then
+        _err "Can not find zone id."
+        return 1
+      fi
+      _debug "Found relevant zone '${attempted_zone}' with id '${zone_id}' - will be used for domain '${domain}'."
+      return 0
+    fi
+
+    _debug "Zone '${attempted_zone}' doesn't exist, let's try a less specific zone."
+    strip_counter=$(_math "${strip_counter}" + 1)
+  done
+}
+# vim: et:ts=2:sw=2: