$ORIGIN 28.172.in-addr.arpa. $TTL 86400 @ 1D IN SOA ns1.wLeiden.NET. hostmaster.wLeiden.NET. ( 2004041501 ; serial (d. adams) 3H ; refresh 15M ; retry 1W ; expiry 1D ) ; minimum IN NS ns1.wLeiden.NET. IN NS ns2.wLeiden.NET. IN NS ns3.wLeiden.NET. IN NS ns4.wLeiden.NET. ns1 IN A 172.18.8.66 ;tango ns2 IN A 172.17.8.68 ;proxy1 ns3 IN A 172.17.143.4 ;proxy2 ns4 IN A 172.20.128.98 ;proxy4 0.0 PTR network-Alphen.wAlphen.NET. ; CNodeSHFortis 0.136 PTR network-SHFortis.wAlphen.NET. 1.136 PTR CNodeSHFortis.wAlphen.NET. $GENERATE 10-62 $.136 PTR dhcp$.CNodeSHFortis.wAlphen.NET. 65.136 PTR ethernet.CNodeSHFortis.wAlphen.NET. ; CNodeKoster 0.137 PTR network-Koster.wAlphen.NET. 1.137 PTR CNodeKoster.wAlphen.NET. $GENERATE 10-62 $.137 PTR dhcp$.CNodeKoster.wAlphen.NET. 65.137 PTR ethernet.CNodeKoster.wAlphen.NET.