nii.ac.jp.		30 IN SOA dns1.nii.ac.jp. postmaster.nii.ac.jp. (
				2026061700 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

nii.ac.jp.		30 IN TXT "v=spf1 ip4:136.187.0.0/16 ip4:157.1.0.0/16
include:_spf.google.com ~all"

Mail exchangers:
nii.ac.jp.		30 IN MX 1 ASPMX.L.GOOGLE.COM.
nii.ac.jp.		30 IN MX 5 ALT2.ASPMX.L.GOOGLE.COM.
nii.ac.jp.		30 IN MX 10 ALT3.ASPMX.L.GOOGLE.COM.
nii.ac.jp.		30 IN MX 10 ALT4.ASPMX.L.GOOGLE.COM.
nii.ac.jp.		30 IN MX 5 ALT1.ASPMX.L.GOOGLE.COM.

Name servers:
nii.ac.jp.		30 IN NS dns-x.sinet.ad.jp.
nii.ac.jp.		30 IN NS dns1.nii.ac.jp.
nii.ac.jp.		30 IN NS dns2.nii.ac.jp.