diff --git a/main.py b/main.py
index 08fb84b..363b6af 100755
--- a/main.py
+++ b/main.py
@@ -262,7 +262,7 @@ def write_dns_reverse_file(api_client):
             net_class = max(((net.prefixlen - 1) // 4) + 1, 1)  
             zone6_name = ".".join(
                     netaddr.IPAddress(net.first).reverse_dns.split('.')[32 - net_class:]
-                )
+                    )[:-1]
          
 
             soa = template_soa.format(zone=zone6_name,
@@ -288,7 +288,7 @@ def write_dns_reverse_file(api_client):
                                                  ptr_records = ptr_records)
 
 
-                filename = 'generated/dns.{zone}zone'.format(zone=zone6_name)
+                filename = 'generated/dns.{zone}.zone'.format(zone=zone6_name)
                 with open(filename, 'a') as f:
                     f.write(zone_file_content)
             else:
@@ -299,7 +299,7 @@ def write_dns_reverse_file(api_client):
                                                  ptr_records = ptr_records)
 
 
-                filename = 'generated/dns.{zone}zone'.format(zone=zone6_name)
+                filename = 'generated/dns.{zone}.zone'.format(zone=zone6_name)
                 with open(filename, 'w+') as f:
                     f.write(zone_file_content)
                 zone_v6.append(zone6_name)