1$TTL 1000
2@		in	soa	localhost. postmaster.localhost. (
3				1993050801	;serial
4				3600		;refresh
5				1800		;retry
6				604800		;expiration
7				3600 )		;minimum
8a.b.c		in	ns	b
9a.a.b.c		in	a	10.0.0.1
10b		in	a	10.0.0.2
11