active-lesson.com.	30 IN SOA 01.dnsv.jp. hostmaster.dnsv.jp. (
				1596693608 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

active-lesson.com.	30 IN TXT "v=spf1 include:_spf.heteml.jp +a:sv123.xbiz.ne.jp
+a:active-lesson.com +mx +ip4:183.181.99.24 ~all"

active-lesson.com.	30 IN A	183.181.99.24

Mail exchangers:
active-lesson.com.	30 IN MX 10 mx.hetemail.jp.

Name servers:
active-lesson.com.	30 IN NS 01.dnsv.jp.
active-lesson.com.	30 IN NS 02.dnsv.jp.
active-lesson.com.	30 IN NS 03.dnsv.jp.
active-lesson.com.	30 IN NS 04.dnsv.jp.