$TTL 86400 @ IN SOA sen.zive.netg. root.sen-it.org.( 2004071401 ; Serial 28800 ; Refresh 14400 ; Retry 3600000 ; Expire 86400 ) ; Minimum IN NS sen.zive.netg. IN MX 10 sen.zive.netg. sn IN A 192.168.0.16 guest IN A 192.168.0.16 vd IN A 192.168.0.17 www IN CNAME sn