diff --git a/dnsapi/dns_rackcorp.sh b/dnsapi/dns_rackcorp.sh
new file mode 100644
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+++ b/dnsapi/dns_rackcorp.sh
@@ -0,0 +1,156 @@
+#!/usr/bin/env sh
+
+# Provider: RackCorp (www.rackcorp.com)
+# Author: Stephen Dendtler (sdendtler@rackcorp.com)
+# Report Bugs here: https://github.com/senjoo/acme.sh
+# Alternate email contact: support@rackcorp.com
+#
+# You'll need an API key (Portal: ADMINISTRATION -> API)
+# Set the environment variables as below:
+#
+#    export RACKCORP_APIUUID="UUIDHERE"
+#    export RACKCORP_APISECRET="SECRETHERE"
+#
+
+RACKCORP_API_ENDPOINT="https://api.rackcorp.net/api/rest/v2.4/json.php"
+
+########  Public functions #####################
+
+dns_rackcorp_add() {
+  fulldomain="$1"
+  txtvalue="$2"
+
+  _debug fulldomain="$fulldomain"
+  _debug txtvalue="$txtvalue"
+
+  if ! _rackcorp_validate; then
+    return 1
+  fi
+
+  _debug "Searching for root zone"
+  if ! _get_root "$fulldomain"; then
+    return 1
+  fi
+  _debug _lookup "$_lookup"
+  _debug _domain "$_domain"
+
+  _info "Creating TXT record."
+
+  if ! _rackcorp_api dns.record.create "\"name\":\"$_domain\",\"type\":\"TXT\",\"lookup\":\"$_lookup\",\"data\":\"$txtvalue\",\"ttl\":300"; then
+    return 1
+  fi
+
+  return 0
+}
+
+#Usage: fulldomain txtvalue
+#Remove the txt record after validation.
+dns_rackcorp_rm() {
+  fulldomain=$1
+  txtvalue=$2
+
+  _debug fulldomain="$fulldomain"
+  _debug txtvalue="$txtvalue"
+
+  if ! _rackcorp_validate; then
+    return 1
+  fi
+
+  _debug "Searching for root zone"
+  if ! _get_root "$fulldomain"; then
+    return 1
+  fi
+  _debug _lookup "$_lookup"
+  _debug _domain "$_domain"
+
+  _info "Creating TXT record."
+
+  if ! _rackcorp_api dns.record.delete "\"name\":\"$_domain\",\"type\":\"TXT\",\"lookup\":\"$_lookup\",\"data\":\"$txtvalue\""; then
+    return 1
+  fi
+
+  return 0
+}
+
+####################  Private functions below ##################################
+#_acme-challenge.domain.com
+#returns
+# _lookup=_acme-challenge
+# _domain=domain.com
+_get_root() {
+  domain=$1
+  i=1
+  p=1
+  if ! _rackcorp_api dns.domain.getall "\"name\":\"$domain\""; then
+    return 1
+  fi
+  while true; do
+    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    _debug searchhost "$h"
+    if [ -z "$h" ]; then
+      _err "Could not find domain for record $domain in RackCorp using the provided credentials"
+      #not valid
+      return 1
+    fi
+
+    _rackcorp_api dns.domain.getall "\"exactName\":\"$h\""
+
+    if _contains "$response" "\"matches\":1"; then
+      if _contains "$response" "\"name\":\"$h\""; then
+        _lookup=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _domain="$h"
+        return 0
+      fi
+    fi
+    p=$i
+    i=$(_math "$i" + 1)
+  done
+
+  return 1
+}
+
+_rackcorp_validate() {
+  RACKCORP_APIUUID="${RACKCORP_APIUUID:-$(_readaccountconf_mutable RACKCORP_APIUUID)}"
+  if [ -z "$RACKCORP_APIUUID" ]; then
+    RACKCORP_APIUUID=""
+    _err "You require a RackCorp API UUID (export RACKCORP_APIUUID=\"<api uuid>\")"
+    _err "Please login to the portal and create an API key and try again."
+    return 1
+  fi
+
+  _saveaccountconf_mutable RACKCORP_APIUUID "$RACKCORP_APIUUID"
+
+  RACKCORP_APISECRET="${RACKCORP_APISECRET:-$(_readaccountconf_mutable RACKCORP_APISECRET)}"
+  if [ -z "$RACKCORP_APISECRET" ]; then
+    RACKCORP_APISECRET=""
+    _err "You require a RackCorp API secret (export RACKCORP_APISECRET=\"<api secret>\")"
+    _err "Please login to the portal and create an API key and try again."
+    return 1
+  fi
+
+  _saveaccountconf_mutable RACKCORP_APISECRET "$RACKCORP_APISECRET"
+
+  return 0
+}
+_rackcorp_api() {
+  _rackcorpcmd=$1
+  _rackcorpinputdata=$2
+  _debug cmd "$_rackcorpcmd $_rackcorpinputdata"
+
+  export _H1="Accept: application/json"
+  response="$(_post "{\"APIUUID\":\"$RACKCORP_APIUUID\",\"APISECRET\":\"$RACKCORP_APISECRET\",\"cmd\":\"$_rackcorpcmd\",$_rackcorpinputdata}" "$RACKCORP_API_ENDPOINT" "" "POST")"
+
+  if [ "$?" != "0" ]; then
+    _err "error $response"
+    return 1
+  fi
+  _debug2 response "$response"
+  if _contains "$response" "\"code\":\"OK\""; then
+    _debug code "OK"
+  else
+    _debug code "FAILED"
+    response=""
+    return 1
+  fi
+  return 0
+}