diff --git a/dnsapi/dns_dnsimple.sh b/dnsapi/dns_dnsimple.sh
index 257549b4..983ee9f0 100644
--- a/dnsapi/dns_dnsimple.sh
+++ b/dnsapi/dns_dnsimple.sh
@@ -15,7 +15,7 @@ DNSimple_API="https://api.dnsimple.com/v2"
 
 # Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
 dns_dnsimple_add() {
-  fulldomain=$1
+  fulldomain=$(echo "$1" | _lower_case)
   txtvalue=$2
 
   DNSimple_OAUTH_TOKEN="${DNSimple_OAUTH_TOKEN:-$(_readaccountconf_mutable DNSimple_OAUTH_TOKEN)}"
@@ -56,7 +56,7 @@ dns_dnsimple_add() {
 
 # fulldomain
 dns_dnsimple_rm() {
-  fulldomain=$1
+  fulldomain=$(echo "$1" | _lower_case)
 
   DNSimple_OAUTH_TOKEN="${DNSimple_OAUTH_TOKEN:-$(_readaccountconf_mutable DNSimple_OAUTH_TOKEN)}"
   if [ -z "$DNSimple_OAUTH_TOKEN" ]; then
@@ -110,9 +110,13 @@ _get_root() {
       return 1
     fi
 
-    if _contains "$response" 'not found'; then
-      _debug "$h not found"
-    else
+    if ! _contains "$response" "\"name\":\"$h\""; then
+      if ! _dnsimple_rest GET "$_account_id/zones/$h/records?per_page=1"; then
+        return 1
+      fi
+    fi
+
+    if _contains "$response" "\"name\":\"$h\"" || _contains "$response" '"pagination":'; then
       _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$previous")
       _domain="$h"
 
@@ -121,6 +125,7 @@ _get_root() {
 
       return 0
     fi
+    _debug "$h not found"
 
     previous="$i"
     i=$(_math "$i" + 1)