diff --git a/main.py b/main.py
index 8824b9d..4831515 100755
--- a/main.py
+++ b/main.py
@@ -23,14 +23,14 @@ template_soa = ("$ORIGIN {zone}.\n"
                 ")")
 template_originv4 = "@ IN A {ipv4}"
 template_originv6 = "@ IN AAAA {ipv6}"
-template_ns = "@ IN NS {target}"
-template_mx = "@ IN MX {priority} {target}"
+template_ns = "@ IN NS {target}."
+template_mx = "@ IN MX {priority} {target}."
 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}"
-template_ptr = "{target} IN PTR {hostname}"
+template_ptr = "{target} IN PTR {hostname}."
 
 template_zone = ("$TTL 2D\n"
                  "{soa}\n"