ipv4only.arpa.		86400	IN	SOA	sns.dns.icann.org. noc.dns.icann.org. 2022072100 7200 3600 604800 3600
ipv4only.arpa.		86400	IN	A	192.0.0.170
ipv4only.arpa.		86400	IN	A	192.0.0.171
ipv4only.arpa.		86400	IN	NS	a.iana-servers.net.
ipv4only.arpa.		86400	IN	NS	b.iana-servers.net.
ipv4only.arpa.		86400	IN	NS	c.iana-servers.net.
ipv4only.arpa.		86400	IN	NS	ns.icann.org.
ipv4only.arpa.		86400	IN	SOA	sns.dns.icann.org. noc.dns.icann.org. 2022072100 7200 3600 604800 3600