27.252.50.10.in-addr.arpa.  IN PTR gw1.wue.fff.community.
28.252.50.10.in-addr.arpa.  IN PTR gw01.herpf.fff.community.
29.252.50.10.in-addr.arpa.  IN PTR gw02.herpf.fff.community.
31.252.50.10.in-addr.arpa.  IN PTR fff-gw-m1.gw.fff.community.
164.252.50.10.in-addr.arpa. IN PTR gw1.wue.fff.community.