40.33.0 IN PTR katla.oob.openstreetmap.org.
3.48.0 IN PTR faffy.ams.openstreetmap.org.
+4.48.0 IN PTR dribble.ams.openstreetmap.org.
+5.48.0 IN PTR vhagar.ams.openstreetmap.org.
9.48.0 IN PTR dulcy.ams.openstreetmap.org.
10.48.0 IN PTR ironbelly.ams.openstreetmap.org.
11.48.0 IN PTR spike-06.ams.openstreetmap.org.
17.48.0 IN PTR norbert.ams.openstreetmap.org.
49.48.0 IN PTR snap-01.ams.openstreetmap.org.
50.48.0 IN PTR karm.ams.openstreetmap.org.
-52.48.0 IN PTR thorn-02.ams.openstreetmap.org.
-53.48.0 IN PTR thorn-03.ams.openstreetmap.org.
100.48.0 IN PTR pdu1.ams.openstreetmap.org.
101.48.0 IN PTR pdu2.ams.openstreetmap.org.
102.48.0 IN PTR oob1.ams.openstreetmap.org.