if.tv.			30 IN SOA dns01.cside.jp. postmaster.cside.ne.jp. (
				2023122601 ; serial
				300        ; refresh (5 minutes)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

if.tv.			30 IN TXT "v=spf1 +ip4:202.191.112.0/21 ~all"

if.tv.			30 IN A	210.166.236.149

Mail exchangers:
if.tv.			30 IN MX 10 cfx06.cside.jp.
if.tv.			30 IN MX 20 mx05s.cside.jp.

Name servers:
if.tv.			30 IN NS dns01.cside.jp.
if.tv.			30 IN NS dns02.cside.jp.