$TTL 86400 example.com. IN SOA nm3.example.com. hostmaster.example.com. ( 2007100501 ; serial 3h ; refresh 1h ; retry 1w ; expiry 1h ; minimum ) example.com. IN NS auth01.roc.ny.frontiernet.net. example.com. IN NS auth.lkv.mn.frontiernet.net. example.com. IN NS nm3.example.com. IN MX 0 nm3.example.com. A 25.125.123.21 ERROR: You have one or more lame nameservers. These are nameservers that do NOT answer authoritatively for your domain. This is bad; for example, these nameservers may never get updated. The following nameservers are lame: 25.125.123.22