$ORIGIN 31.172.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.wLeiden.NET. 255.255 PTR bcase.wLeiden.net. 1.255 PTR proxy.wleiden.net. 2.255 PTR link2proxy.wleiden.net. 3.255 PTR link3proxy.wleiden.net. 4.255 PTR link4proxy.wleiden.net. 0.254 PTR net.hccnet.wleiden.net. 1.254 PTR here.hccnet.wleiden.net. TXT "Virtual WLeiden termination point" 2.254 PTR there.hccnet.wleiden.net. TXT "Virtual Cas/HCC termination point" 3.254 PTR bcast.hccnet.wleiden.net. 4.254 PTR net.hccnet-1.wleiden.net. 5.254 PTR here.hccnet-1.wleiden.net. TXT "NodeRund tunnel EP" 6.254 PTR there.hccnet-1.wleiden.net. TXT "Machine Cas/HCC tunnel EP for NodeRund" 7.254 PTR bcast.hccnet-1.wleiden.net. 8.254 PTR net.hccnet-2.wleiden.net. 9.254 PTR here.hccnet-2.wleiden.net. 10.254 PTR there.hccnet-2.wleiden.net. 11.254 PTR bcast.hccnet-2.wleiden.net. 12.254 PTR net.hccnet-3.wleiden.net. 13.254 PTR here.hccnet-3.wleiden.net. 14.254 PTR there.hccnet-3.wleiden.net. 15.254 PTR bcast.hccnet-3.wleiden.net.