DNSにレコード追加

cd /var/named/pri
cp dbname.db dbname.20121031
vi dbname.db
Serial number 2012103101に変更

; add 2012/10/31
servername	IN A	192.168.1.100

cd /var/named/pri/_Rev
cp 168.192.db 168.192.db.20121031
vi 168.192.db
Serial number 2012103101に変更

; add 2012/10/31
100.1		IN PTR	servername.domain.jp

/etc/init.d/named restart