$ttl 38400
0.0.127.in-addr.arpa.	IN	SOA	127.0.0.1. admin.localhost. (
							2018020901 10800 3600 1209600 38400
							)

0.0.127.in-addr.arpa.	IN	NS	localhost.
1.0.0.127.in-addr.arpa.	IN	PTR	localhost.