$TTL 86400 @ SOA a.ns.openstreetmap.org. hostmaster.openstreetmap.org. ( 2 ; serial 86400 ; refresh 172800 ; retry 604800 ; expire 3600 ; ncache ) @ 86400 NS a.ns.openstreetmap.org. @ 86400 NS b.ns.openstreetmap.org. @ 86400 NS c.ns.openstreetmap.org. @ 86400 NS d.ns.openstreetmap.org. @ 86400 NS e.ns.openstreetmap.org. @ 86400 NS f.ns.openstreetmap.org. tile 600 DYNC geoip!tile nominatim 600 DYNC geoip!nominatim