$ORIGIN . $TTL 72800 ; 20 hours 13 minutes 20 seconds lan IN SOA freiburg.lan. hostmaster.freiburg.lan. ( 20222130 ; serial 86400 ; refresh (1 day) 7200 ; retry (2 hours) 604800 ; expire (1 week) 172800 ; minimum (2 days) ) NS freiburg.lan. MX 10 freiburg.lan. $ORIGIN lan. cluster A 192.168.0.100 cluster-node1 A 192.168.0.101 cluster-node2 A 192.168.0.102 cluster-node3 A 192.168.0.103 cluster2 A 192.168.0.110 cluster2-node1 A 192.168.0.111 cluster2-node2 A 192.168.0.112 cluster2-node3 A 192.168.0.113 freiburg A 192.168.0.1 AAAA fd00:feed:dead:beef::1 printer-hpcplj1525n A 192.168.0.8 farblaser CNAME printer-hpcplj1525n probook-wlan A 192.168.0.3 tv-panasonic-sz A 192.168.0.13 tv-sz CNAME tv-panasonic-sz wlan-pl-ap-sz A 192.168.0.252