nir.jp.			30 IN SOA ns1.cyberhome.ne.jp. hostmaster.ns1.cyberhome.ne.jp. (
				2024111401 ; serial
				5400       ; refresh (1 hour 30 minutes)
				1800       ; retry (30 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

Name servers:
nir.jp.			30 IN NS ns2.cyberhome.ne.jp.
nir.jp.			30 IN NS ns1.cyberhome.ne.jp.