mao.nu.			30 IN SOA f1g1ns1.dnspod.net. freednsadmin.dnspod.com. (
				1728489196 ; serial
				3600       ; refresh (1 hour)
				180        ; retry (3 minutes)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

mao.nu.			30 IN A	123.56.67.88

Mail exchangers:
mao.nu.			30 IN MX 10 mx.ym.163.com.