$ORIGIN 24.172.in-addr.arpa. $TTL 86400 @ 1D IN SOA ns1.wLeiden.NET. hostmaster.wLeiden.NET. ( 2003101800 ; serial (d. adams) 3H ; refresh 15M ; retry 1W ; expiry 1D ) ; minimum $INCLUDE wleiden/ns-172 @ 0.0 PTR network-qcg.wLeiden.NET. 1.0 PTR CNodeqcg.wLeiden.NET. $GENERATE 10-62 $.0 PTR dhcp$.CNodeqcg.wLeiden.NET. 65.0 PTR ethernet.CNodeqcg.wLeiden.NET. 0.8 PTR network-rene.wLeiden.NET. 1.8 PTR CNodeRene.wLeiden.NET. $GENERATE 10-62 $.8 PTR dhcp$.CNodeRene.wLeiden.NET. 65.8 PTR ethernet.CNodeRene.wLeiden.NET. 0.16 PTR network-grafical.wLeiden.NET. 1.16 PTR CNodeGrafical.wLeiden.NET. $GENERATE 10-62 $.16 PTR dhcp$.CNodeGrafical.wLeiden.NET. 65.16 PTR ethernet.CNodeGrafical.wLeiden.NET.