itus.co.jp.		30 IN SOA master.dns.ne.jp. tech.sakura.ad.jp. (
				2016112200 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				3600000    ; expire (5 weeks 6 days 16 hours)
				3600       ; minimum (1 hour)
				)

itus.co.jp.		30 IN TXT "v=spf1 a:www542b.sakura.ne.jp mx ~all"

itus.co.jp.		30 IN A	112.78.125.42
itus.co.jp.		30 IN AAAA 2403:3a00:106:5:112:78:125:42

Mail exchangers:
itus.co.jp.		30 IN MX 10 mail.itus.co.jp.

Name servers:
itus.co.jp.		30 IN NS ns1.dns.ne.jp.
itus.co.jp.		30 IN NS ns2.dns.ne.jp.