diff --git a/main.py b/main.py
index 1949299..a267c5c 100644
--- a/main.py
+++ b/main.py
@@ -26,9 +26,11 @@ template_txt = "{field1} IN TXT {field2}"
 template_srv = "_{service}._{protocol}.{zone} {ttl} IN SRV {priority} {weight} {port} {target}"
 template_a = "{hostname} IN A {ipv4}"
 template_aaaa = "{hostname} IN AAAA {ipv6}"
-template_cname = "{hostname} IN CNAME {alias}{extension}"
+template_cname = "{hostname} IN CNAME {alias}"
+template_ptr = "{target} IN PTR {hostname}"
 
-template_zone = ("{soa}\n"
+template_zone = ("$TTL 2D\n"
+                 "{soa}\n"
                  "\n"
                  "{originv4}\n"
                  "{originv6}\n"
@@ -47,8 +49,14 @@ template_zone = ("{soa}\n"
                  "\n"
                  "{cname_records}")
 
+template_reverse = ("$TTL 2D\n"
+                    "{soa}\n"
+                    "\n"
+                    "{ns_records}\n"
+                    "\n"
+                    "{ptr_records}\n")
 
-def regen_dns(api_client):
+def write_dns_files(api_client):
     for zone in api_client.list_dnszones():
         zone_name = zone['name'][1:]
 
@@ -101,13 +109,13 @@ def regen_dns(api_client):
                                 target=x['target'])
             for x in zone['srv_records']
         )
-    
+
         a_records = "\n".join(
             template_a.format(hostname=x['hostname'],
                               ipv4=x['ipv4'])
             for x in zone['a_records']
         )
-    
+
         aaaa_records = "\n".join(
             template_aaaa.format(hostname=x['hostname'],
                                  ipv6=x['ipv6'])
@@ -116,8 +124,7 @@ def regen_dns(api_client):
         
         cname_records = "\n".join(
             template_cname.format(hostname=x['hostname'],
-                                  alias=x['alias'],
-                                  extension=x['extension'])
+                                  alias=x['alias']+extension=x['extension'])
             for x in zone['cname_records']
         )
     
@@ -135,6 +142,10 @@ def regen_dns(api_client):
         filename = 'dns.{zone}.zone'.format(zone=zone_name)
         with open(filename, 'w+') as f:
             f.write(zone_file_content)
+
+
+def write_dns_reverse_file(api_client):
+    pass
     
 
 
@@ -146,5 +157,6 @@ for service in api_client.list_servicesregen():
 #    if service['hostname'] == client_hostname and \
 #            service['service_name'] == 'dns' and \
 #            service['need_regen']:
-    regen_dns(api_client)
+    write_dns_zone_file(api_client)
+    write_dns_reverse_file(api_client)
 #        api_client.patch(service['api_url'], data={'need_regen': False})