1; $NetBSD: loopback.v6,v 1.3 2002/01/22 03:27:24 itojun Exp $ 2 3$TTL 3600 4@ IN SOA netbsd.org. hostmaster.netbsd.org. ( 5 1999012100 ; Serial 6 3600 ; Refresh 7 300 ; Retry 8 3600000 ; Expire 9 3600 ) ; Minimum 10 IN NS localhost. 11 IN PTR localhost. 12