jldg.org.		30 IN SOA ccshws2.ccs.tsukuba.ac.jp. root.ccshws2.ccs.tsukuba.ac.jp. (
				37         ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

jldg.org.		30 IN TXT "v=spf1 +ip4:130.158.110.223  +ip4:130.158.243.202  ~all"

Mail exchangers:
jldg.org.		30 IN MX 5 smtpgwin.cc.tsukuba.ac.jp.

Name servers:
jldg.org.		30 IN NS ccshws2.ccs.tsukuba.ac.jp.
jldg.org.		30 IN NS ccshws1.ccs.tsukuba.ac.jp.