diff --git a/dnsapi/dns_sdns.sh b/dnsapi/dns_sdns.sh
index 4f1f31ff..1e63b0c1 100644
--- a/dnsapi/dns_sdns.sh
+++ b/dnsapi/dns_sdns.sh
@@ -5,86 +5,83 @@
 
 SDNS_API_URL="https://robot.s-dns.de:8488/"
 
-
 # export SDNS_ZONE_KEY=your_zone_key
 
 ########  Public functions #####################
 
 # Adds a txt record with the specified value. Does not remove an existing record
 # Usage: dns_sdns_add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
-dns_sdns_add ()
-{
-  fulldomain=$1;
-  txtvalue=$2;
-  _debug2 "dns_sdns_add() entered";
-  SDNS_ZONE_KEY="${SDNS_ZONE_KEY:-$(_readaccountconf_mutable SDNS_ZONE_KEY)}";
+dns_sdns_add() {
+  fulldomain=$1
+  txtvalue=$2
+  _debug2 "dns_sdns_add() entered"
+  SDNS_ZONE_KEY="${SDNS_ZONE_KEY:-$(_readaccountconf_mutable SDNS_ZONE_KEY)}"
   if [ -z "$SDNS_ZONE_KEY" ]; then
-    SDNS_ZONE_KEY="";
-    _err "You didn't specify your zone key yet. (export SDNS_ZONE_KEY=yourkey)";
-    return 1;
-  fi;
-  _saveaccountconf_mutable SDNS_ZONE_KEY "$SDNS_ZONE_KEY";
-  _debug "First detect the root zone";
+    SDNS_ZONE_KEY=""
+    _err "You didn't specify your zone key yet. (export SDNS_ZONE_KEY=yourkey)"
+    return 1
+  fi
+  _saveaccountconf_mutable SDNS_ZONE_KEY "$SDNS_ZONE_KEY"
+  _debug "First detect the root zone"
   if ! _get_root "$fulldomain"; then
-    _err "invalid domain";
-    return 1;
-  fi;
-  _debug _sub_domain "$_sub_domain";
-  _debug _domain "$_domain";
+    _err "invalid domain"
+    return 1
+  fi
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
   _payload="<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>
 <zoneRequest>
   <zone name=\"$_domain\" action=\"ADDORUPDATERR\" ddnskey=\"$SDNS_ZONE_KEY\">
     <rr host=\"$_sub_domain\" type=\"TXT\" value=\"$txtvalue\" keepExisting=\"true\"/>
   </zone>
-</zoneRequest>";
-  _debug2 "$_payload";
-  response=$(_post "$_payload" "$SDNS_API_URL");
-  _debug2 "$response";
+</zoneRequest>"
+  _debug2 "$_payload"
+  response=$(_post "$_payload" "$SDNS_API_URL")
+  _debug2 "$response"
   if _contains "$response" "status=\"OK\""; then
-    _debug "The TXT record has been added.";
-    return 0;
+    _debug "The TXT record has been added."
+    return 0
   else
-    _err "The attempt to add the TXT record has failed.";
-    return 1;
+    _err "The attempt to add the TXT record has failed."
+    return 1
   fi
 }
 
 # Removes a txt record with the specified value. This function does not remove resource records with the same name but a different values.
 # Usage: dns_sdns_rm  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
-dns_sdns_rm ()
-{
-  fulldomain=$1;
-  txtvalue=$2;
-  _debug2 "dns_sdns_rm() entered";
-  SDNS_ZONE_KEY="${SDNS_ZONE_KEY:-$(_readaccountconf_mutable SDNS_ZONE_KEY)}";
+dns_sdns_rm() {
+  fulldomain=$1
+  txtvalue=$2
+  _debug2 "dns_sdns_rm() entered"
+  SDNS_ZONE_KEY="${SDNS_ZONE_KEY:-$(_readaccountconf_mutable SDNS_ZONE_KEY)}"
   if [ -z "$SDNS_ZONE_KEY" ]; then
-    SDNS_ZONE_KEY="";
-    _err "You didn't specify your zone key yet. (export SDNS_ZONE_KEY=yourkey)";
-    return 1;
-  fi;
-  _saveaccountconf_mutable SDNS_ZONE_KEY "$SDNS_ZONE_KEY";
-  _debug "First detect the root zone";
+    SDNS_ZONE_KEY=""
+    _err "You didn't specify your zone key yet. (export SDNS_ZONE_KEY=yourkey)"
+    return 1
+  fi
+  _saveaccountconf_mutable SDNS_ZONE_KEY "$SDNS_ZONE_KEY"
+  _debug "First detect the root zone"
   if ! _get_root "$fulldomain"; then
-    _err "invalid domain";
-    return 1;
-  fi;
-  _debug _sub_domain "$_sub_domain";
-  _debug _domain "$_domain";
+    _err "invalid domain"
+    return 1
+  fi
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
   _payload="<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>
 <zoneRequest>
   <zone name=\"$_domain\" action=\"DELRR\"  ddnskey=\"$SDNS_ZONE_KEY\">
     <rr host=\"$_sub_domain\" type=\"TXT\" value=\"$txtvalue\" keepExisting=\"true\"/>
   </zone>
-</zoneRequest>";
-  _debug $_payload;
-  response=$(_post "$_payload" "$SDNS_API_URL");
-  _debug $response;
+</zoneRequest>"
+  _debug "$_payload"
+  response=$(_post "$_payload" "$SDNS_API_URL")
+  _debug "$response"
   if _contains "$response" "status=\"OK\""; then
-    _debug "The TXT record has been deleted.";
-    return 0;
+    _debug "The TXT record has been deleted."
+    return 0
   else
-    _err "The attempt to delete the TXT record has failed.";
-    return 1;
+    _err "The attempt to delete the TXT record has failed."
+    return 1
   fi
 }
 
@@ -94,33 +91,31 @@ dns_sdns_rm ()
 #returns
 # _sub_domain=_acme-challenge.www
 # _domain=domain.com
-_get_root ()
-{
-  fulldomain=$1;
-  _debug2 "_get_root() entered";
-  SDNS_ZONE_KEY="${SDNS_ZONE_KEY:-$(_readaccountconf_mutable SDNS_ZONE_KEY)}";
+_get_root() {
+  fulldomain=$1
+  _debug2 "_get_root() entered"
+  SDNS_ZONE_KEY="${SDNS_ZONE_KEY:-$(_readaccountconf_mutable SDNS_ZONE_KEY)}"
   if [ -z "$SDNS_ZONE_KEY" ]; then
-    SDNS_ZONE_KEY="";
-    _err "You didn't specify your zone key yet. (export SDNS_ZONE_KEY=yourkey)";
-    return 1;
-  fi;
-  _saveaccountconf_mutable SDNS_ZONE_KEY "$SDNS_ZONE_KEY";
+    SDNS_ZONE_KEY=""
+    _err "You didn't specify your zone key yet. (export SDNS_ZONE_KEY=yourkey)"
+    return 1
+  fi
+  _saveaccountconf_mutable SDNS_ZONE_KEY "$SDNS_ZONE_KEY"
   _payload="<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>
 <zoneRequest action=\"getRootZone\" ddnskey=\"$SDNS_ZONE_KEY\">
   <hostname>$fulldomain</hostname>
-</zoneRequest>";
-  _debug2 "$_payload";
-  response=$(_post "$_payload" "$SDNS_API_URL");
-  _debug2 "$response";
+</zoneRequest>"
+  _debug2 "$_payload"
+  response=$(_post "$_payload" "$SDNS_API_URL")
+  _debug2 "$response"
   if _contains "$response" "status=\"found\""; then
-    _debug "root domain is found";
+    _debug "root domain is found"
 
-    _domain=$(printf "%s\n" "$response" | _egrep_o  "<zonename>(.*)</zonename>" | cut -d ">" -f 2 | cut -d "<" -f 1);
-    _sub_domain=$(printf "%s\n" "$response" | _egrep_o  "<hostname>(.*)</hostname>" | cut -d ">" -f 2 | cut -d "<" -f 1);
+    _domain=$(printf "%s\n" "$response" | _egrep_o "<zonename>(.*)</zonename>" | cut -d ">" -f 2 | cut -d "<" -f 1)
+    _sub_domain=$(printf "%s\n" "$response" | _egrep_o "<hostname>(.*)</hostname>" | cut -d ">" -f 2 | cut -d "<" -f 1)
 
-    _debug _domain "$_domain";
-    _debug _sub_domain "$_sub_domain";
-    return 0;
+    _debug _domain "$_domain"
+    _debug _sub_domain "$_sub_domain"
+    return 0
   fi
 }
-